Area Equations
Area 1
Area 2
Story Problems
Circles
100
What is the area formula for a rectangle?
A = bh
100
Find the area of the rectangle with a length of 8cm and a width of 5 cm.
A = 40cm
100
Find the area of a rectangle that has a length of 6 1/2cm 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 10.5m and a width of 6.5 m. How much carpet will the room need?
The room will need 68.25 m2 of carpet.
100

What is the formula for the Circumference of a circle?

C=3.14d

200
What is the area formula for a parallelogram?
A = bh
200
Find the area of a square that has a side length of 12cm.
A= 144 cm2
200
Find the area of a square with side length of seven and one half inches.
A = 56.25in2
200
The area of a square is 36 cm2. What is the length of a side?
6 cm
200

What is the equation for the area of a circle?

A= 3.14r^2

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 13ft, and the height of 4ft.
A=26 ft2
300
Find the area of a triangle with base = 7.2 cm and height = 8 cm.
A = 28.8in2
300
Mary needs to plant grass in her backyard. Her backyard is 36 ft wide and 60 ft long. What is the area of ground that needs grass?
2160ft2
300

Find the circumference of a circle with a diameter of 9m.

28.26 m

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 6m, a side of 5m and a height of 8m.
A=24m2
400
Find the area of a triangle with base = 9cm, sides of = 7cm, and height = 4cm.
A = 18cm2
400
Cory needs to carpet his bedroom. His bedroom is 12 ft by 14 ft. Carpet costs $3 per square foot. How much will it cost total?
$504
400

Find the area of a circle with a diameter of 9m.

63.585 m^2

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 in and 8 in and height of 3in.
A=21 in2
500
Find the area of a triangle with base = 210 in and height = 302 in.
A = 31,710 in2
500
(Use the guess and check method ) A square pizza box has an area of 324in2. What is the length of one side of the pizza box?
18 in
500

A larger circle with a radius of 5m, has a smaller circle with the radius of 2m, inside of it. Tyson wants to paint the large circle black and the small circle yellow. How much surface area will he need to cover for each colour of paint?

78.5 m^2

Black: 65.94 m^2

Yellow: 12.56 m^2


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