Area Equations
Area 1
Area 2
Story Problems
Missing Lengths
100
What is the area formula for a rectangle?
A = bh
100

Find the area of the rectangle with a length of 8 cm and a width of 5 cm.

A = 40 cm2

100

Find the area of a rectangle that has a length of 6 1/2 cm and a width of 5 1/4 cm.

A = 34 1/8 cm2

100

The classroom is getting new pink carpet. If the room has a length of 10.5 m and a width of 6.5 m. How much carpet will the room need?

The room will need 68.25 m2 of carpet.

100

A rectangle has an area of 24 cm2 and the height is 4 cm2. What is the length of the base?

6 cm2

200
What is the area formula for a parallelogram?
A = bh
200

Find the area of a square that has a side length of 12 cm.

A= 144 cm2

200

Find the area of a square with a side length of seven and one-half meters.

A = 56.25 meters2

200

The area of a square is 36 cm2. What is the length of a side?

6 cm

200

A parallelogram has an area of 30 m2 and has a side length of 4 m and a base of 10 m. What is the height?

3 m

300
How do you find the area of a triangle?
A=1/2bh
300

Find the area of a right triangle with one side length 13 cm, and a height of 4 cm.

A=26 cm2

300

Find the area of a triangle with base = 7.2 cm and height = 8 cm.

A = 28.8 cm2

300

Mary needs to plant grass in her backyard. Her backyard is 36 m wide and 60 m long. What is the area of ground that needs grass?

2160 m2

300

The area of a rectangle is 48 cm2. If the height is 12 cm, what is the base?

4 cm

400
How do you find the area of a square?
A=s x s
400

Find the area of a triangle if it has a base of 6 m, a side of 5 m and a height of 8 m.

A=24 m2

400

Find the area of a triangle with base = 9cm, sides of = 7cm, and height = 4cm.

A = 18 cm2

400

Gideon needs to carpet his bedroom. His bedroom is 12 ft by 14 ft. The carpet costs $3 per square foot. How much will it cost in total to carpet the bedroom?

$504

400

A triangle has an area of 64 cm2 and a height of 8 cm. What is the base?

16 cm

500
What is the formula for the area of a trapezoid?
A = 1/2h(b1+b2)
500

Find the area of a trapezoid with bases of 6 cm and 8 cm and height of 3cm.

A=21 cm2

500

Find the area of a triangle with base = 210 m and height = 302 m.

A = 31,710 m2

500

(Use the guess and check method ) A square pizza box has an area of 324 cm2. What is the length of one side of the pizza box?

18 cm

500

A trapezoid has an area of 28 m2, a height of 4 m, and a base of 6 m. What is the length of the other base?

8 m