Description : What is the length of the 3rd side of a triangle having sides of 17.1cm and 28.8cm whose opposite angles add up to 72 degrees?
Last Answer : The largest angle then is 108 degrees that is opposite the 3rdside which is the longest side and by using the cosine rule intrigonometry it is 37.77cm in length rounded to two decimalplaces
Description : What is the perimeter and area of a triangle whose longest side is 162cm when two of its angles are 37.25 degrees and 48.4 degrees?
Last Answer : Using the sine rule in trigonometry the perimeter of thetriangle is 381.83 cm and its area is 5956.67 square cm bothrounded to two decimal places
Description : For two charges 3C and -3C separated by 1cm and are located at distances 5cm and 7cm respectively from the point P, then the distance between their midpoint and the point P will be a) 5.91 b) 12.6 c) 2 d) 9
Last Answer : a) 5.91
Description : Surface germinating weed seeds are at depth a). 1cm b). 2.5cm c). 7.5cm d).15cm
Last Answer : a). 1cm
Description : Deep germinating weed seeds are at depth of a). Upto 5cm b). 2.5 cm c). 15cm d). 1cm
Last Answer : c). 15cm
Description : The distance of the object from the plain mirror is 1.5 cm . What will be the total distance between the object and its image. a) 1.5cm b)3cm c)2.5cm d)1cm
Last Answer : b)3cm
Description : What is the length of the third side of a triangle opposite angle 72.23 degrees with two other sides of 7.59cm and 5.67cm?
Last Answer : Using the cosine rule of a^2 = b^2 +c^2 -2*b*c*cos(A) intrigonometry the 3rd side of the triangle works out as 7.97cm totwo decimal places
Description : Is it possible to construct a triangle with lengths of its sides 5cm, 3cm and 8cm? Give reason for your answer. -Maths 9th
Last Answer : Solution :- No, since sum of two sides is equal to third side. (5 cm + 3 cm = 8 cm)
Description : A 25 cm 25 cm 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m 1m 1cm ... 19.2 kg to 17.6 kg is (A) 1000 (B) 1500 (C) 2000 (D) 2500
Last Answer : (A) 1000
Description : If two angles of a triangle are congruent then two sides opposite those angles are congruent?
Last Answer : That is correct as in the case of an isosceles triangle
Description : Prove that angles opposite to equal sides of a triangle are equal. -Maths 9th
Last Answer : Solution :-
Description : If the angles of a triangle are in the ratio 1 : 2 : 3, then find the ratio of the corresponding opposite sides. -Maths 9th
Last Answer : answer:
Description : What is the perimeter of triangle if its longest side is 162cm when two of its angles are 37.25 degrees and 48.4 degrees?
Last Answer : The largest angle then will be 94.35 degrees opposite the longest sides of 162cm and by using the sine rule of 120/sin(94.35) = b/sinB = c/sinC the perimeter of the triangle works out as 381.83cm rounded to two decimal places.
Description : The area of a trapezium is 39cm2 . The distance between its parallel sides is 6cm. If one of the parallel sides is 5cm, then find the other parallel side. -Maths 9th
Last Answer : area of trapezium = 39 cm sq height of trpezium = 6 cm one || side = 5 cm let other be x area of trapezium = 1/2 × ( sum of || sides) × h 39 = 1/2 × ( 5+x) × 6 39×2 = (5+x) × 6 78/6 = 5+x 13-5 = x 8 = x x = 8cm
Description : Find the area of a triangle having perimeter 32cm. One side of its side is equal to 11cm and difference of the other two is 5cm. -Maths 9th
Last Answer : Solutions :- We have, Perimeter of triangle = 32 cm One of its side = 11 cm Let the second side be x And third side be x + 5 Perimeter of triangle = sum of three sides A/q => 11 + x + x + 5 ... 13 cm Now, By using heron's formula, Find the area of a triangle :- Answer : Area of triangle = 43.81 cm²
Description : What measures 30 degrees 40 degrees an side of 5cm 7cm 8cm?
Last Answer : It is either a triangle on a curved surface or a polygon with 4or more sides.
Description : Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10 -4 N, a) 8.15 b) 5.18 c) 1.518 d) 1.815
Last Answer : d) 1.815
Description : What is a square with 1cm sides called?
Last Answer : It is a unit centimetre square.
Description : What is a square with 1cm sides is a?
Last Answer : A square is a regular polygon because it has 4 equal sides and 4equal angles
Description : If the lengths of the sides of a triangle are in the ratio 6:11:15 and it's perimeter is 96cm , then the height corresponding to the longest side is -Maths 9th
Last Answer : LET EACH SIDE BE X 6X+11X+15X=96 32X=96 X=3 SIDES=6 3=18 11 3=33 15 3=45 AREA OF TRIANGLE BY HERONS FORMULA=S=96/2=48 WHOLE UNDERROOT 48 48-18 48-33 48-45 UNDERROOT=12 4 30 15 3 4 3 15ROOT2 180 ... bh/2 180root2=18 h/2 360root2=18h h=20 root2 But root 2=1.4(approx) h=20 1.4(approx) h=28cm(approx).
Description : The sides of a triangle are in the ratio of 1/2:1/3:1/4. If its perimeter is 52 cm, the length of the smallest side is : (A) 9 cm (B) 10 cm (C) 11 cm (D) 12 cm
Last Answer : (D) 12 cm Answer: D Explanation: Sides of a triangle are in the ratio of a:b:c = 1/2:1/3:1/4 = 12 /2 : 12 /3 : 12 /4 = 6:4:3 Let the lengths of three sides of the triangle be 6x, 4x, 3x Perimeter of the ... ⇒ 52 cm = 6x + 4x + 3x x = 52/13 = 4 cm length of the smallest side = 3x = 3 x 4 = 12 cm
Description : Find the area of an isosceles triangle, whose equal sides are of length 15 cm each and third side is 12 cm. -Maths 9th
Last Answer : We have, Three sides13cm,13cm and 20cm. By using Heron's formula We need to get the semi-perimeter s= 2 a+b+c = 2 13+13+20 = 2 46 =23 Now, put the heron's formula, s= s(s−a)(s−b)(s−c) = 23(23−13)(23−13)(23−20) = 23×10×10×3 =10 23×3 =83.07cm 2
Description : One side of an equilateral triangle is 24 cm. The mid-points of its sides are joined to form another triangle whose mid-points -Maths 9th
Last Answer : Perimeter of the largest (outermost) equilateral triangle = 3 24 = 72 cm. Now, the perimeter of the triangle formed by joining the midpoints of a given triangle will be half the perimeter of the original triangle. ∴ Required sum = 72 + ... -rac{1}{2}}\) = \(rac{72}{rac{1}{2}}\) = 72 x 2 = 144 cm.
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
Description : What is the area and perimeter of a scalene triangle when angle 75 degrees is opposite to side 25cm with another angle of 42 degrees?
Last Answer : Using the sine rule in trigonometry its area is 192.885 squarecm and its perimeter is 65.379 cm both rounded to three decimalplaces.
Description : When angles of a triangle adds up to 125 degrees. What is the sze of the third angle?
Last Answer : Its 3rd angle is 180-125 = 55 degrees
Description : Construct a right triangle whose base is 12 cm and sum of its hypotenuse and other side is 18 cm. -Maths 9th
Last Answer : Steps of Construction (i) Draw BC = 12 cm. (ii) Construct ÐCBY = 90°. (iii) From ray BY, cut-off line segment BD = 18 cm. (iv) Join CD. (v) Draw the perpendicular bisector of CD intersecting BD at A. (vi ... = AC Now, BD = BA + AD ⇒ BD = AB + AC Hence, △ABC is the required triangle.
Description : If two sides of one triangle are equal to two sides of another triangle and the contained angles are supplementary, show that the two sides are equal in area -Maths 9th
Last Answer : If two sides and an angle of one triangle are equal to two sides and an angle of another triangle, then the two triangles must be congruent.
Description : The 2000 NIH Consensus Development Conference Statement states that what percentage of women with invasive breast cancer should consider the option of systemic chemotherapy, not just women whose tumors are ... of systemic chemotherapy, not just women whose tumors are greater than 1 cm in size.
Last Answer : a) 100% (all) The 2000 Consensus Development Conference Statement states that all women with invasive breast cancer should consider the option of systemic chemotherapy, not just women whose tumors are greater than 1 cm in size.
Last Answer : I determined and what next? A circle inscribed in a triangle This is a circle that touches all sides of the triangle. The center of the circle inscribed in the triangle ABC is the intersection of the axes of the ... the 2nd series of the summer part of KMS 2009 / 2010.pdf example no.6" in Slovak
Description : In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?
Last Answer : Ion kn
Description : What are the angles and area of a triangle with sides of 2.60cm by 2.85cm by 4.70cm?
Last Answer : Let angle A be opposite side a and between sides b and c; using the cosine rule you can find each angle:a² = b² + c² - 2bc cos A→ A = arc cos((b² + c² - a²)/2bc)→ Angles are:arc cos((2.85² + 4.7² - 2.6²)/(2 ... = 180° - 60.1° = 119.1°Area triangle = ½bc sin A ≈ ½ 2.85 4.7 sin(28.9°) ≈ 3.24 cm²
Description : Ratios of sides of a right triangle with respect to its acute angles are knownas ————– a. Trigonometric Identities b. Trigonometric Ratios c. Trigonometry d. trigonometry formula
Last Answer : b. Trigonometric Ratios
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
Description : If the sum of interior angles of a polygon is 4680 degrees how many sides does the polygon have?
Last Answer : 15 sides
Description : What The sum of the interior angles of a polygons is 7200 degrees how many sides does it have?
Last Answer : It will have (7200+360)/180 = 42 sides
Description : If two of a triangle's angles measure 42 degrees and 48 degrees how would you classify that triangle?
Last Answer : It's important to remember that a triangle's angles will always total 180 degrees.180 - 42 - 48 = 90.The last angle is 90 degrees, so this is a right triangle.
Description : If two adjacent sides of a kite are 5cm and 7cm, find its perimeter. -Maths 9th
Description : What is the perimeter and height of a triangle that has a base length of 15cm with base angles of 28.67 degrees and 15.5 degrees?
Last Answer : Using the sine formulae of a/A=b/B=c/C and A/a=B/b=C/c intrigonometry the perimeter of the triangle is 31.08 cm with aheight of 2.76 cm both rounded to two decimal places.
Description : What is the height of a triangle when the distance between angles 62 degrees and 48 degrees is 1.8 cm?
Last Answer : There is probably a trick that I don't know (can't think of atthe moment), but you can use the sine rule and sine ratio:The third angle is 180° - (62° + 48°) = 70° and is opposite theside of length 1.8cm.The side ... / sin 70°) sin 62°→ height = 1.8 sin 48° sin 62° / sin 70° cm ≈ 1.3 cm
Description : How many angles in a scalene triangle have the same number of degrees?
Last Answer : 0 do
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
Description : What is A quadrilateral four right angles and opposite sides that are equal and parallel?
Last Answer : A square or maybe a rectangle as well would fit the givendescription
Description : What quadrilateral has 2 pairs of equal length sides its opposite angles are the same but there are no right angles?
Last Answer : If both pairs of equal length sides are the same length, it is a rhombus (a parallelogram with four equal sides). If each of the two pairs have different lengths, it is a simple parallelogram.