Activities to teach perimeter and area?

Activities to teach perimeter and area?
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What are some hands-on ways to teach perimeter to third graders?

Description : What are some hands-on ways to teach perimeter to third graders?

Last Answer : String. Have them make shapes with string, then they can straighten out the string and find out the total perimeter of each shape.

Instead of the standard sport activities, should P.E. teach martial arts?

Description : Instead of the standard sport activities, should P.E. teach martial arts?

Last Answer : No, as that would not serve any purpose.

Classroom management research findings suggest that one of the most effective ways to maximize the amount of time elementary school children spend on academic activities is for the teacher to do which of the following? Options: A) Plan for, teach, and enforce routines for transition times and classroom housekeeping tasks. B) Assign homework three times a week in the major subjects. C) Assign individual reading on new topics before discussing the topic in class. D) Introduce new material in a lecture followed immediately by a questioning session on the material.

Description : Classroom management research findings suggest that one of the most effective ways to maximize the amount of time elementary school children spend on academic activities is for the teacher to do ... Introduce new material in a lecture followed immediately by a questioning session on the material.

Last Answer : A) Plan for, teach, and enforce routines for transition times and classroom housekeeping tasks.

Sides of a triangle are in the ratio of 12 : 17 : 25 and its perimeter is 540 cm. Find its area. -Maths 9th

Description : Sides of a triangle are in the ratio of 12 : 17 : 25 and its perimeter is 540 cm. Find its area. -Maths 9th

Last Answer : Let the sides of the triangle be a = 12x cm, b = 17x cm, c = 25x cm Perimeter of the triangle = 540 cm Now, 12x + 17x + 25x = 540 ⇒ 54x = 54 ⇒ x = 10 ∴ a = (12 x10)cm = 120cm, b = (17 x 10) cm = 170 cm and c = (25 x 10)cm = 250 cm Now, semi-perimeter, s = 5402cm = 270 cm

Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus. -Maths 9th

Description : Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus. -Maths 9th

Last Answer : Perimeter of rhombus =4 side ⇒ 100=4 side ⇒ side= 4 100 ⇒ side=25 We know diagonals of a rhombus divides the rhombus in two equilateral triangle. Now, we are going to find area of 1 equilateral triangle. Semi perimeter = ... ) = 45 5 20 20 = 90000 =300m 2 ⇒ Area of rhombus =2 300m 2 =600m 2

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

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

Find the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter 10.5 cm. -Maths 9th

Description : Find the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter 10.5 cm. -Maths 9th

Last Answer : Step-by-step explanation: ◾As we have given the two sides of triangle, let the three sides of triangle are (a) , (b), (c) . ◾And perimeter of given triangle is 10.5 cm ◾were, let us assume the sides are, ... . ◾So, the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter 10.5 [Area ]=

If the perimeter of an equilateral triangle is 24cm, then find the area of the triangle -Maths 9th

Description : If the perimeter of an equilateral triangle is 24cm, then find the area of the triangle -Maths 9th

Last Answer : Perimeter of equilateral triangle = 24cm ( there are three equal sides in an e quilateral triangle ) Each side = 24 / 3 = 8cm Area of an equilateral triangle = root 3 / 4 s square = root 3 / 4 × 8 square = root 3 / 4 x 64 = root 3 × 16 = 16 root 3

The perimeter of one face of a cube is 20 cm. Find the lateral surface area of the cube. -Maths 9th

Description : The perimeter of one face of a cube is 20 cm. Find the lateral surface area of the cube. -Maths 9th

Last Answer : Let a be the edge of cube, ∴ Perimeter of one face of cube = 20 cm ⇒ 4a = 20 ⇒ a = 5 ∴ Lateral surface area of cube = 4a2 = 4 (5)2 = 100 cm2

If the perimeter of an equilateral triangle is 24cm, then find the area of the triangle -Maths 9th

Description : If the perimeter of an equilateral triangle is 24cm, then find the area of the triangle -Maths 9th

Last Answer : Perimeter of equilateral triangle = 24cm ( there are three equal sides in an e quilateral triangle ) Each side = 24 / 3 = 8cm Area of an equilateral triangle = root 3 / 4 s square = root 3 / 4 × 8 square = root 3 / 4 x 64 = root 3 × 16 = 16 root 3

The perimeter of one face of a cube is 20 cm. Find the lateral surface area of the cube. -Maths 9th

Description : The perimeter of one face of a cube is 20 cm. Find the lateral surface area of the cube. -Maths 9th

Last Answer : Let a be the edge of cube, ∴ Perimeter of one face of cube = 20 cm ⇒ 4a = 20 ⇒ a = 5 ∴ Lateral surface area of cube = 4a2 = 4 (5)2 = 100 cm2

The perimeter of an equilateral triangle is 60 m. The area is -Maths 9th

Description : The perimeter of an equilateral triangle is 60 m. The area is -Maths 9th

Last Answer : Let each side of an equilateral be x. Then, perimeter of an equilateral triangle = 60 m x + x + x = 60 ⇒ 3x = 60 ⇒ x = 60/3 = 20 m Area of an equilateral triangle = √3/4 (Side)2 = (√3/4) x 20 x 20 = 100 √3 m2 Thus, the area of triangle is 100√3 m2.

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 total surface area of a cube is 150sq.cm. Find the perimeter of any one of its face ? -Maths 9th

Description : The total surface area of a cube is 150sq.cm. Find the perimeter of any one of its face ? -Maths 9th

Last Answer : NEED ANSWER

The perimeter of an equilateral triangle is 60 m. The area is -Maths 9th

Description : The perimeter of an equilateral triangle is 60 m. The area is -Maths 9th

Last Answer : (d) Let each side of an equilateral be x. Then, perimeter of an equilateral triangle = 60 m x + x + x = 60 ⇒ 3x = 60 ⇒ x = 60/3 = 20 m Area of an equilateral triangle = √3/4 (Side)2 = (√3/4) x 20 x 20 = 100 √3 m2 Thus, the area of triangle is 100√3 m2.

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 total surface area of a cube is 150sq.cm. Find the perimeter of any one of its face ? -Maths 9th

Description : The total surface area of a cube is 150sq.cm. Find the perimeter of any one of its face ? -Maths 9th

Last Answer : Take the side be s, 6s^(2)=150cm^(2) s^(2)= 150/6 =25 s^(2)=square root of 25 s=5 Area of square s^(2) 5×5=25sq.cm. Perimeter = 4×side =4×5=20cm

The base of an isosceles triangle is 24cm and its area is 192cm^2. Find its perimeter -Maths 9th

Description : The base of an isosceles triangle is 24cm and its area is 192cm^2. Find its perimeter -Maths 9th

Last Answer : Given, base of an isosceles triangle =24 cm Area of isosceles triangle =192 sq.cm Area = 21​×b×h ∴192=224.h​ ∴h=16 cm Side=h2+122​=256+144​=20 cm Perimeter of triangle =2a+b =2(20)+24=64 cm

The area of a square and circle is same and the perimeter of square and equilateral triangle is same, -Maths 9th

Description : The area of a square and circle is same and the perimeter of square and equilateral triangle is same, -Maths 9th

Last Answer : (b) 9 : 4√3.Let each side of the square = a cm. Then, Area of square = a2 cm2 Also, let r be the radius of the circle. Then, πr2 = a2 Let each side of the equilateral triangle = b cm. Then 3b = 4a ⇒ ... ratio between area of circle and area of equilateral Δ is a2 : \(rac{4\sqrt3a^2}{9}\) = 9 : 4√3.

If a rectangle and a parallelogram are equal in area and have the same base and are situated on the same side, and the ratio of the perimeter -Maths 9th

Description : If a rectangle and a parallelogram are equal in area and have the same base and are situated on the same side, and the ratio of the perimeter -Maths 9th

Last Answer : answer:

Calculate the perimeter of a rectangle whose area is 25x2 – 35x + 12. -Maths 9th

Description : Calculate the perimeter of a rectangle whose area is 25x2 – 35x + 12. -Maths 9th

Last Answer : Given, Area of rectangle = 25x2 - 35x + 12 We know, area of rectangle = length breadth So, by factoring 25x2 - 35x + 12, the length and breadth can be obtained. 25x2 - 35x + 12 = 25x2 - 15x - 20x + 12 => 25x2 - 35x + ... )] = 2(5x - 3 + 5x - 4) = 2(10x - 7) = 20x - 14 So, the perimeter = 20x - 14

A square has a perimeter of 20 cmWork out its area?

Description : A square has a perimeter of 20 cmWork out its area?

Last Answer : 20cm/4sides = 5cm5cm*5cm = 25cm^2

If you have a rectangle whose Perimeter equals 60 and the Area equals 200 what are the lengths of the four sides?

Description : If you have a rectangle whose Perimeter equals 60 and the Area equals 200 what are the lengths of the four sides?

Last Answer : The rectangle must have sides with lengths of 20, 20, 10, and 10.20+20+10+10 = 60 (perimeter)20*10 = 200 (area)

What is the area of a square if its perimeter is 28 cm?

Description : What is the area of a square if its perimeter is 28 cm?

Last Answer : The area of square is : 784.0

what- the perimeter of a square patch of mulch, in feet, has the same number of units as the area in square feet.What is the length of a side of the mulch patch?

Description : what- the perimeter of a square patch of mulch, in feet, has the same number of units as the area in square feet.What is the length of a side of the mulch patch?

Last Answer : 4 ft.

How to calculate the area and perimeter of a triangle?

Description : Can anyone help?

Last Answer : For a general triangle: [img] https:///wp-content/uploads/2016/03/altalanos.png [/ img] For an isosceles triangle: [img] https:///wp- content / uploads / 2016/03 / equator.png [/ img] For an ... / img] For a right triangle: [img] https:///wp-content/uploads/2016/03/derekszogu.png [/ img]  

(i) The radius of a circle is increasing at the rate of 5 cm/sec. Find the rate of increasing of its perimeter. (ii) If the area of a circle increases

Description : (i) The radius of a circle is increasing at the rate of 5 cm/sec. Find the rate of increasing of its perimeter. (ii) If the area of a circle increases

Last Answer : (i) The radius of a circle is increasing at the rate of 5 cm/sec. Find the rate ... to its circumference is iversely proportional to its radius.

if 16times the area of a square (A) is equal to the perimeter (P) f the square, then A is ______.

Description : if 16times the area of a square (A) is equal to the perimeter (P) f the square, then A is ______.

Last Answer : if 16times the area of a square (A) is equal to the perimeter (P) f the square, then A is ______.

Each side of an equilateral triand 12 is \( 24 cm \) the mid - point of its sides are joined to form another tranpla this brress is doins centinuously infinite46. The perimeter of 7 th triangle is \( ( \) in \( cm ) \)a) \( \frac{3}{4} \)b) \( \frac{5}{8} \)c) \( \frac{9}{8} \)d) \( \frac{7}{8} \)47. The sum of perimeter of all triangle is (in \( cm \) )a) 144b) 625c) 400d) 16948. The area of all the triangle is (in sq cm)a) 576b) \( 144 \sqrt{3} \)c) \( 169 \sqrt{3} \)d) \( 192 \sqrt{3} \)49. The sum of perimeter of first 6 triangle is (in \( cm \) )a) 120b) \( \frac{567}{4} \)c) \( \frac{569}{4} \)d) 14450. The side of the 5th triangle is (in \( cm \) )a) 6b) \( 1.5 \)c) \( 0.75 \)d) 3

Description : Each side of an equilateral triand 12 is \( 24 cm \) the mid - point of its sides are joined to form another tranpla this brress is doins centinuously infinite46. The perimeter of 7 th triangle is \( ( \) in \( cm ) \)a) \( \ ... of the 5th triangle is (in \( cm \) )a) 6b) \( 1.5 \)c) \( 0.75 \)d) 3

Last Answer : Each side of an equilateral triand 12 is \( 24 cm \) the mid - point of its sides are joined to form another tranpla ... ( 1.5 \) c) \( 0.75 \) d) 3

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?

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.

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?

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

How many area are there in a 100 cm perimeter shape?

Description : How many area are there in a 100 cm perimeter shape?

Last Answer : The area will depend upon the shape itself - a perimeter of 100cm could be a square 25 cm by 25 cm (area 25 cm 25 cm = 625 cm²)or a rectangle 30 cm by 20 cm (area 30 cm 20 cm = 600 ... means any shape with a perimeter of 100 cm has an areawhich is less than or equal to approx 795.77 sq cm.

What is the area of a regular 15 sided polygon that has a perimeter of 360cm?

Description : What is the area of a regular 15 sided polygon that has a perimeter of 360cm?

Last Answer : Join all vertices to the midpoint of the 15-agon. This will form15 congruent isosceles triangles with an angle of 360° 15 = 24°at the centre and a base of length equal to that of the 15-agon =360cm 15 = 24 cmThe area of ... = n side² (4 tan(180° n))= perimeter² (4 n tan(180° n))

What is the perimeter of a triangle that has a area of 6.5 cm?

Description : What is the perimeter of a triangle that has a area of 6.5 cm?

Last Answer : The minimum perimeter is when the triangle is an equilateraltriangle. The perimeter of any other triangle with the same areawill be longer.In the case of an equilateral triangle area = (√3)/4 side²→ side = ... /√3) ≈ 11.62 cm→ The triangle has a perimeter greater than or equal to approx11.62 cm.

If the perimeter of a square is 8x plus 6 what is its area?

Description : If the perimeter of a square is 8x plus 6 what is its area?

Last Answer : Each side of the square is 2x+1.5 and its area is (2x+1.5)squared

What is the perimeter if The area of a square sandbox is 83sqft?

Description : What is the perimeter if The area of a square sandbox is 83sqft?

Last Answer : 4 times the square root of 83 feet

What is the area of a regular 15 sided polygon that has a perimeter of 225cm?

Description : What is the area of a regular 15 sided polygon that has a perimeter of 225cm?

Last Answer : The regular 15 sided polygon will have 15 congruent isoscelestriangles each having equal base angles of 78 degrees and an apexangle of 24 degrees with two equal sides of 36.07300759 cm and abase of 15 cmArea: 0.5*36.07300759^2 *sin(24)*15 = 110.042 square cm roundedto three decimal places

What is the area of a regular 24 sided polygon that has a perimeter of 120 cm?

Description : What is the area of a regular 24 sided polygon that has a perimeter of 120 cm?

Last Answer : The polygon will consist of 24 congruent isosceles triangle eachhaving 2 equal angles of 82.5 degrees and 2 equal sides of19.15324394 cm with an apex angle of 15 degrees opposite the baseof 5 cm.Area of triangle: 0.5*19.15324394^2 *sin(15)*24 = 1139.363square cm to three decimal places

What is the area of a square with a perimeter of 56?

Description : What is the area of a square with a perimeter of 56?

Last Answer : The area of square is : 3136.0

What is the area of a square if the perimeter is 32cm?

Description : What is the area of a square if the perimeter is 32cm?

Last Answer : The area of square is : 1024.0

What is the area and perimeter of a trangle that has equal sides when its apex angle of 15.75 degrees is opposite to base 5.75 cm?

Description : What is the area and perimeter of a trangle that has equal sides when its apex angle of 15.75 degrees is opposite to base 5.75 cm?

Last Answer : Using trigonometry the area of the isosceles triangle 60 squarecm and its perimeter is 48 cm both rounded to the nearestinteger

If the surface area of a box is 52 cm2 and you know that it is 4 cm wide and 2 cm long what is the height of the box (Hint Use the perimeter of the base to find the answer.)?

Description : If the surface area of a box is 52 cm2 and you know that it is 4 cm wide and 2 cm long what is the height of the box (Hint Use the perimeter of the base to find the answer.)?

Last Answer : It is 3 cm high.

How do you find the area and perimeter of a square whose side is given?

Description : How do you find the area and perimeter of a square whose side is given?

Last Answer : A square would have four sides of the same length. A square measuring 6 inches by 6 inches would have a perimeter of (6 + 6) x 2 = 24 inches in total. Which is the same as 6 + 6+ 6+ 6 = 24 linear inches.The area is length times width. So 6 x 6 = 32 square inches.

What is the area of a square with a perimeter of 48 mm?

Description : What is the area of a square with a perimeter of 48 mm?

Last Answer : The area of square is : 2304.0

What is the area of a rectangle if the perimeter is 24 units?

Description : What is the area of a rectangle if the perimeter is 24 units?

Last Answer : Need answer

What is the area of a 24 unit perimeter of a rectangle?

Description : What is the area of a 24 unit perimeter of a rectangle?

Last Answer : 28 units

What is the area of a square with a perimeter of 56?

Description : What is the area of a square with a perimeter of 56?

Last Answer : The area of square is : 3136.0

If the surface area of a box is 52 cm2 and you know that it is 4 cm wide and 2 cm long what is the height of the box (Hint Use the perimeter of the base to find the answer.)?

Description : If the surface area of a box is 52 cm2 and you know that it is 4 cm wide and 2 cm long what is the height of the box (Hint Use the perimeter of the base to find the answer.)?

Last Answer : It is 3 cm high.

How do you find the area and perimeter of a square whose side is given?

Description : How do you find the area and perimeter of a square whose side is given?

Last Answer : A square would have four sides of the same length. A square measuring 6 inches by 6 inches would have a perimeter of (6 + 6) x 2 = 24 inches in total. Which is the same as 6 + 6+ 6+ 6 = 24 linear inches.The area is length times width. So 6 x 6 = 32 square inches.

What is the perimeter and area of an equilateral triangle with a side of 8?

Description : What is the perimeter and area of an equilateral triangle with a side of 8?

Last Answer : Perimeter of equilateral triangle: 24 units Area of equilateral triangle: 27.713 square units rounded to three decimal places