Study

Area of Polygons

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Find the area of the parallelogram.

96 inches squared

Find

3.2

Find the area of the triangle.

315 units squared

Work out the area of each circle. diameter = 23 cm (round nearest whole number)

415

What is this?

radius

Work out the area of the circle. radius = 4.25m (round nearest whole number)

57

Find

9.9

Find the area of the trapezoid.

28 units squared

Find the area of the parallelogram.

63.86 square cm

Find the area of the parallelogram.

4.5 meters squared

What is the formula for finding the area of a trapezoid?

A=1/2 x h x (b1 + b2)

Find the area of the triangle.

70 square meters

Find the area of the trapezoid.

40 inches squared

find the radius

1.3

Find the area of the triangle.

6 cm squared

Find the area of the trapezoid.

26 meters squared

Work out C when r = 9.5

59.7

What is this?

diameter

Use π = 3.14. Round your answers correct to 1 decimal place

12.6

Work out A when r = 7.28

166.4

Find the area of the triangle.

24 square units

What is this?

diameter

What is this?

diameter

Work out C when d = 15.21( round 1 d.p)

47.8

Find

2.2

Use π = 3.14. Round your answers correct to 1 decimal place (1 d.p.).

254.3

Work out A when d = 11.85 (round 1 d.p)

110.2

What is this?

diameter

find the radius

3

Find the area of the trapezoid.

18.75 inches squared

What is this?

radius

Use π = 3.14. Round your answers correct to 1 decimal place (1 d.p.).

55.4

What is the formula for finding the area of a parallelogram?

A=bxh

Find

25.2

What is this?

diameter

Work out the area of each circle. Radius = 6 cm (round nearest whole number)

113

Find the area of the trapezoid.

50 cm squared

What is the formula for finding area of a triangle?

A=1/2 x b x h

Find the area of the parallelogram.

120 inches squared