What is a polyhedron having a polygon for a base and triangular sides with a common vertex?

What is a polyhedron having a polygon for a base and triangular sides with a common vertex?
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1 Answer

Answer :

A pyramid fits the given description
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Which polyhedron has 5 triangular faces and a square base?

Description : Which polyhedron has 5 triangular faces and a square base?

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How many edges and vertices are there for an octahedron which is a polyhedron with eight congruent triangular faces?

Description : How many edges and vertices are there for an octahedron which is a polyhedron with eight congruent triangular faces?

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Scaling of a polygon is done by computing a.The product of (x, y) of each vertex b.(x, y) of end points c.Center coordinates d.Only a

Description : Scaling of a polygon is done by computing a.The product of (x, y) of each vertex b.(x, y) of end points c.Center coordinates d.Only a

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A triangulation of a polygon is a set of T chords that divide the polygon into disjoint triangles. Every triangulation of n-vertex convex polygon has ................ chords and divides the polygon into ............... triangles. (A) n-2, n-1 (B) n-3, n-2 (C) n-1, n (D) n-2, n-2

Description : A triangulation of a polygon is a set of T chords that divide the polygon into disjoint triangles. Every triangulation of n-vertex convex polygon has ................ chords and divides the polygon into ............... triangles. (A) n-2, n-1 (B) n-3, n-2 (C) n-1, n (D) n-2, n-2

Last Answer : (B) n-3, n-2

What is the volume of a right prism standing on a triangular base of sides 5 cm, 5 cm and 8 cm whose lateral surface area is 828 cm^2 ? -Maths 9th

Description : What is the volume of a right prism standing on a triangular base of sides 5 cm, 5 cm and 8 cm whose lateral surface area is 828 cm^2 ? -Maths 9th

Last Answer : Lateral surface area of a prism = Perimeter of base Height ⇒ 840 = (5 + 5 + 8) Height ⇒ Height = 8401884018 = 46 cm. = Semi perimeter of the triangular base = 182182 = 9 cm ∴ Area of triangle = 9(9- ... 4 1 = 12 cm2 ∴ Required volume of prism = Area of base Height = (12 46) cm3 = 552cm3

A right triangular prism of height 18 cm and of base sides 5 cm, 12 cm and 13 cm is transformed into another right triangular prism on a base -Maths 9th

Description : A right triangular prism of height 18 cm and of base sides 5 cm, 12 cm and 13 cm is transformed into another right triangular prism on a base -Maths 9th

Last Answer : Vol. of △ ular prism = Area of △ ular base × height. ∴ Area of triangular base = area of triangle PQR By heron's formula. S=S(s−a)(s−b)(s−c)​where S=2a+b+c​∴Areaof△PQR= S=23+4+5​=6 S=6(6−3)(6−4)(6−5)​=3×2×3×2×1​=6cm2 ∴ vol. of Prism =6×10 =60cm3Answer.

Perpendiculars are drawn from the vertex of the obtuse angles of a rhombus to its sides. The length of each perpendicular is equal to a units. -Maths 9th

Description : Perpendiculars are drawn from the vertex of the obtuse angles of a rhombus to its sides. The length of each perpendicular is equal to a units. -Maths 9th

Last Answer : answer:

A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is (A) 3S/bh (B) 4S/bh (C) 4b/Sh (D) 3b/bS

Description : A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is (A) 3S/bh (B) 4S/bh (C) 4b/Sh (D) 3b/bS

Last Answer : (A) 3S/bh

Let X(n) represent the measure of one exterior angle of a regular polygon of n sides. What is the domain of this function?

Description : Let X(n) represent the measure of one exterior angle of a regular polygon of n sides. What is the domain of this function?

Last Answer : Homework Questions Feel free to ask for help on your subject, but simply posting your homework question verbatim and expecting an answer is rude! We’re not here to do your homework for you. From https://www.fluther.com/help/guidelines/question-specific/

The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order ---- is known as a.Law of triangle of forces b.Newton's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Last Answer : c. Law of polygon of forces

How many diagonals can be drawn in a polygon of 15 sides? -Maths 9th

Description : How many diagonals can be drawn in a polygon of 15 sides? -Maths 9th

Last Answer : answer:

How many sides does a 2520 angled polygon have?

Description : How many sides does a 2520 angled polygon have?

Last Answer : 2

When the number of sides of a polygon tends to infinity, it approaches _______.

Description : When the number of sides of a polygon tends to infinity, it approaches _______.

Last Answer : When the number of sides of a polygon tends to infinity, it approaches _______.

A circle is inscribed in a polygon. As the number of sides increases, the difference in areas of circle and polygon _________.

Description : A circle is inscribed in a polygon. As the number of sides increases, the difference in areas of circle and polygon _________.

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The following table gives the number of sides and the number of diagonals of a polygon. `{:("Number of sides",3,4,5,6,7,8),("Number of diagonals",0,2,

Description : The following table gives the number of sides and the number of diagonals of a polygon. `{:("Number of sides",3,4,5,6,7,8),("Number of diagonals",0,2,

Last Answer : The following table gives the number of sides and the number of diagonals of a polygon. `{:("Number of ... }` Write a formula to find in terms of n.

The perimeter of a polygon is the ttal length of its sides. In a regular polygon of n sids with x as the length of a side, the perimeter P is________

Description : The perimeter of a polygon is the ttal length of its sides. In a regular polygon of n sids with x as the length of a side, the perimeter P is________

Last Answer : The perimeter of a polygon is the ttal length of its sides. In a regular polygon of n sids with x as the length of a side, the perimeter P is________

If all the sides of a polygon ABCDE are equal, then `/_A = /_C.` ( Yes `//` No `//` May or May not be )

Description : If all the sides of a polygon ABCDE are equal, then `/_A = /_C.` ( Yes `//` No `//` May or May not be )

Last Answer : If all the sides of a polygon ABCDE are equal, then `/_A = /_C.` ( Yes `//` No `//` May or May not be )

In the following figure a wire bent in the form of a regular polygon of `n` sides is inscribed in a circle of radius `a`. Net magnetic field at centre

Description : In the following figure a wire bent in the form of a regular polygon of `n` sides is inscribed in a circle of radius `a`. Net magnetic field at centre

Last Answer : In the following figure a wire bent in the form of a regular polygon of `n` sides is inscribed in a circle of ... (ni)/(a)mu_(0)tan.(pi)/(n)` D.

If the exterior angle of a regular polygon equals 24 degrees how many sides does it have?

Description : If the exterior angle of a regular polygon equals 24 degrees how many sides does it have?

Last Answer : It will have 360/24 = 15 sides

If the interior angle of a regular polygon is 162 degrees how many sides does it have?

Description : If the interior angle of a regular polygon is 162 degrees how many sides does it have?

Last Answer : It will have 20 sides

How many sides does it have if a regular polygon has interior angles of 165 degrees?

Description : How many sides does it have if a regular polygon has interior angles of 165 degrees?

Last Answer : Each exterior angle is 180-165 = 15 degrees and so it has 360/15= 24 sides

How many sides does a regular polygon have if each exterior angle is 15 degrees?

Description : How many sides does a regular polygon have if each exterior angle is 15 degrees?

Last Answer : 24 sides

If the sum of interior angles of a polygon is 4680 degrees how many sides does the polygon have?

Description : If the sum of interior angles of a polygon is 4680 degrees how many sides does the polygon have?

Last Answer : 15 sides

What is formed by two consecutive sides of a polygon?

Description : What is formed by two consecutive sides of a polygon?

Last Answer : They form a vertex of the polygon.

If the number of sides of a polygon is increased by five by how much would the sum of the interior angles of the polygon increase?

Description : If the number of sides of a polygon is increased by five by how much would the sum of the interior angles of the polygon increase?

Last Answer : By 900 degrees as for example a triangle has 3 sides that add upto 180 degrees then if 5 sides are added to it then it then is an 8sided octagon with interior angles that add up to 1080 degrees

If the exterior angle of a regular polygon is 108 degrees how many sides does the polygon have?

Description : If the exterior angle of a regular polygon is 108 degrees how many sides does the polygon have?

Last Answer : That's true if the interior angles are 108 degrees, but aregular polygon cannot have exterior angles of 108 degrees.

How many sides does a regular polygon have if the measure of one interior angle is 105?

Description : How many sides does a regular polygon have if the measure of one interior angle is 105?

Last Answer : Such a polygon is not possible because it would have 4.8 sides.Angles on a straight line are 180 degrees and 105+75 = 180Angles around a polygon are 360 degrees and 360/75 = 4.8

If the sum of the measures of the interior angles of a polygon is 1980 how many sides does it have?

Description : If the sum of the measures of the interior angles of a polygon is 1980 how many sides does it have?

Last Answer : The formula for the sum of the angles of an interior polygon is180(n-2), where n is the number of sides, so then you solve180(n-2) = 1980.(n-2) = 11n = 13.So the polygon has 13 sides.

What is the exterior angle of a regular polygon with 13 sides?

Description : What is the exterior angle of a regular polygon with 13 sides?

Last Answer : Each exterior angle is 360/13 = 27.7 degrees rounded to 1decimal place

How do you work out the exterior and interior angles of a regular polygon with W sides?

Description : How do you work out the exterior and interior angles of a regular polygon with W sides?

Last Answer : Exterior angle regular polygon = 360° ÷ number of sides = 360° ÷WInterior angle regular polygon = 180° - exterior angle regularpolygon= 180° - (360° ÷ number of sides )= 180° - (360° ÷ W)

How many sides doe the polygon have if the sum of the interior angle of a polygon is 1800 degrees?

Description : How many sides doe the polygon have if the sum of the interior angle of a polygon is 1800 degrees?

Last Answer : It will have (1800+360)/180 = 12 sides

How do you work out the exterior and interior angles of a regular polygon with W sides?

Description : How do you work out the exterior and interior angles of a regular polygon with W sides?

Last Answer : Exterior angle regular polygon = 360° ÷ number of sides = 360° ÷WInterior angle regular polygon = 180° - exterior angle regularpolygon= 180° - (360° ÷ number of sides )= 180° - (360° ÷ W)

If a regular polygon has exterior angles that measure 60 each how many sides does the polygon have?

Description : If a regular polygon has exterior angles that measure 60 each how many sides does the polygon have?

Last Answer : It has 360/60 = 6 sides

If an exterior angle of regular polygon measures 15 how many sides does it have?

Description : If an exterior angle of regular polygon measures 15 how many sides does it have?

Last Answer : It has 360/15 = 24 sides

What would the total sum of the interior angles be for a polygon with 20 sides?

Description : What would the total sum of the interior angles be for a polygon with 20 sides?

Last Answer : The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees. 3240 degrees

How many sides does a regular polygon have if each angle measures 144 degrees?

Description : How many sides does a regular polygon have if each angle measures 144 degrees?

Last Answer : We have the interior angle 144∘ . We can find the number of sides using the formula as follows. Thus, the polygon has 10 angles and 10 sides.

Which is the correct statement about law of polygon of forces? (A) If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium (B) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium (C) If a polygon representing forces acting at a point is closed then forces are in equilibrium (D) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

Description : Which is the correct statement about law of polygon of forces?  (A) If any number of forces acting at a point can be represented by the sides of a polygon taken  in order, then the ... direction and magnitude by  the sides of a polygon taken in order, then the forces are in equilibrium 

Last Answer : (D) If any number of forces acting at a point can be represented in direction and magnitude by  the sides of a polygon taken in order, then the forces are in equilibrium 

The centroid of a triangle is at the inter-section of a.perpendicular bisectors b.107 dynes c.base and perpendicular from opposite vertex d.perpendiculars down from the corners e.medians

Description : The centroid of a triangle is at the inter-section of a.perpendicular bisectors b.107 dynes c.base and perpendicular from opposite vertex d.perpendiculars down from the corners e.medians

Last Answer : e. medians

Prove that any straight line drawn from the vertex of a triangle to the base is bisected by the straight line which -Maths 9th

Description : Prove that any straight line drawn from the vertex of a triangle to the base is bisected by the straight line which -Maths 9th

Last Answer : answer:

A floral design on a floor is made up of 16 tiles which are triangular, the sides of the triangle being 9 cm, 28 cm and 35 cm (see figure). -Maths 9th

Description : A floral design on a floor is made up of 16 tiles which are triangular, the sides of the triangle being 9 cm, 28 cm and 35 cm (see figure). -Maths 9th

Last Answer : NCERT Solutions for Class 9 Maths Chapter 12 Heron's Formula NCERT Solutions for Class 9 Maths Chapter 12 Heron's Formula Ex 12.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths ... = 48 m Sides ∆ABC are a = AB = 30m, b = AD = 30m, c = BD = 48m S

The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 122 m, 22 m and 120 m (see figure). The advertisements yield an earning of ₹5000 per m² per year. -Maths 9th

Description : The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 122 m, 22 m and 120 m (see figure). The advertisements yield an earning of ₹5000 per m² per year. -Maths 9th

Last Answer : Let the sides of the triangular will be a = 122m, b = 12cm, c = 22m Semi-perimeter, s = a+b+c2 (122+120+224)m = 2642 m = 132m The area of the triangular side wall Rent for 1 year (i.e. 12 months) per m2 = ... = Rs. 5000 x 312 = Rent for 3 months for 1320 m2 = Rs. 5000 x 312 x 1320 = Rs. 16,50,000.

Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs. 7 per m2. -Maths 9th

Description : Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs. 7 per m2. -Maths 9th

Last Answer : Sides of the triangle are a=50m,b=65m,c=65m Area of triangle, by Heron's formula =s(s−a)(s−b)(s−c)​where, s=2a+b+c​s=250+65+65​s=90 Area of triangle = 90(40)(25)(25)​Area of triangle = 1500m2 Cost of laying grass = Area ×7 Cost of laying grass =1500×7 Cost of laying grass = Rs 10500

The perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Find the area of the triangular field. -Maths 9th

Description : The perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Find the area of the triangular field. -Maths 9th

Last Answer : Let sides of △ are=6x,7x and 8x Perimeter=6x+7x+8x=21x 21x=410 x=20 Sides are 120,140 and 160 m Area =S(S−A)(S−B)(S−C)​ [Heron's Formula] S=2120+140+160​=210 m A=210(210−120)(210−140)(210−160)​=210015​ sq. m

Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs. 7 per m2. -Maths 9th

Description : Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs. 7 per m2. -Maths 9th

Last Answer : Sides of the triangle are a=50m,b=65m,c=65m Area of triangle, by Heron's formula =s(s−a)(s−b)(s−c)​where, s=2a+b+c​s=250+65+65​s=90 Area of triangle = 90(40)(25)(25)​Area of triangle = 1500m2 Cost of laying grass = Area ×7 Cost of laying grass =1500×7 Cost of laying grass = Rs 10500

The perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Find the area of the triangular field. -Maths 9th

Description : The perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Find the area of the triangular field. -Maths 9th

Last Answer : Let sides of △ are=6x,7x and 8x Perimeter=6x+7x+8x=21x 21x=410 x=20 Sides are 120,140 and 160 m Area =S(S−A)(S−B)(S−C)​ [Heron's Formula] S=2120+140+160​=210 m A=210(210−120)(210−140)(210−160)​=210015​ sq. m

The sides of a triangular field are 41 m, 40 m and 9 m. -Maths 9th

Description : The sides of a triangular field are 41 m, 40 m and 9 m. -Maths 9th

Last Answer : Let a = 41m, b = 40 m, c = 9 m. s = (a + b + c)/2 = (41 + 40 +9)/2 = 90/2 ⇒ s = 45 m Area of the triangular field = root under( √s(s - a)(s - b)(s -c)) = root under( ... x 5 x 36 ) = 180 m2 = 1800000 cm2 Number of rose beds = Total area / Area needed for one rose bed = 1800000/900 = 2000

The perimeter of a triangular field is 240 m. If two of its sides are 78 m and 50 m, -Maths 9th

Description : The perimeter of a triangular field is 240 m. If two of its sides are 78 m and 50 m, -Maths 9th

Last Answer : (c) 67.5 mGiven 2s = a + b + c ⇒ 240 = 78 + 50 + Third side ⇒ Third side = 240 m - 128 m = 112 m.∴ Area of Δ = \(\sqrt{s(s-a)(s-b)(s-c)}\)= \(\sqrt{120(120-78)(120-50)(120-112)}\)= \(\sqrt{120 imes42 imes70 ... (rac{1}{2}\)x b x h ∴ \(rac{1}{2}\) x 50 x h = 1680 ⇒ h = \(rac{1680}{25}\) = 67.5 m.

what- the sides of the triangular top of the Transamerica building in san francisco are about 65.2 meters long?

Description : what- the sides of the triangular top of the Transamerica building in san francisco are about 65.2 meters long?

Last Answer : 16

what- Max has two triangular bookends on his bookshelf. He measures their sides and finds that each has one side 3 inches long, one side 4 inches long, and one side 5 inches long. He concludes that the two bookends are congruent triangles?

Description : what- Max has two triangular bookends on his bookshelf. He measures their sides and finds that each has one side 3 inches long, one side 4 inches long, and one side 5 inches long. He concludes that the two bookends are congruent triangles?

Last Answer : Which reason justifies his conclusion?

What triangular land bordered by water on three sides connects the continents of Africa and Asia?

Description : What triangular land bordered by water on three sides connects the continents of Africa and Asia?

Last Answer : Perhaps the Sinai.