Formulas
Calculate
Area
Perimeter
Circles
100

What is the formula for area of a rectangle?

A = b x h

100

Find the area of the rectangle to the nearest 2 d.p


36.54 ft2

100

Find the area of the parallelogram with a base of 10m and a height of 12m round to the hundredths place if necessary.

120m2

100

What is perimeter?

Perimeter is the outside edge of a shape

100

What is radius?

Radius is half the diameter.

The distance from the middle point of a circle

200

Area of a Parallelogram


A =  b x h

200

Find the area of the triangle.

21 in2

200

What is the area of a triangle if the base is 3.5 cm and the height is 7 cm? round to the hundredths place.

A = 12.25 cm2

200

Calculate the perimeter of the shape below:

20

200

What is diameter?

The distance across the whole circle.
300

What is the formula for area of a triangle?

A = 1/2bh 

300

Find the area of the parallelogram with a base of 13.5m and a height of 12.5m

168.75m2

300

What is the area of this triangle to the nearest hundredths place if necessary. 

A = 10.15 ft2

300

calculate the perimeter of this shape:

51m

300

What is circumference?


What is area?

The distance around the outside edge of a circle. 


The space inside the circle

400

What is the formula for area of a circle?

a=(pi)r2

400

What is the area of a triangle if the base is 5 cm and the height is 10 cm?

A = 25 cm2

400

What is the area of a triangle with a base of 15 cm and h = 8 cm?

What is 60cm2

400

calculate the perimeter of the shape below:

36 cm

400

What is the formula for circumference?

c=πD

or

c=2πr

500

What is the formula for volume?

V = area of face x L
500

What is the area of this trapezoid?

A = 42 m2

500

A parallelogram has a base length of 15 meters, a height of 7 meters, and a slant height of 10 meters. 

Calculate the area of the shape.

105 m2

500

What is the perimeter of this shape:

40

500

calculate the area of the circle below:

153.86cm2

1000

How to find the area of a trapezium?

A = (a+b)/2 x h

1000

ind the area of the trapezoid shown. 


1,560 ft2


1000

What is the area of a trapezium whose top line = 9 cm, base line = 5 cm and h = 6 cm?

42 cm

1000

Find the perimeter:

32m

1000

Calculate the area:

what is 113.04 cm2