Formulas
Area
Vocabulary
Story Problems
Find the Missing Dimension
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
The bottom line of a shape such as a triangle or rectangle.
base
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
A rectangle has an area of 24in2 and the height is 4in. What is the length of the base?
6in
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
The measurement given at a 90 degree angle at the base straight to the other side of the shape.
height
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 30m2 and has a side length of 4m and a base of 10m. What is the height?
3m
300
How do you find the area of a triangle?
A=bh/2
300
Find the area of a right triangle with one side length 13ft, and the height of 4ft.
A=26 ft2
300
When two or more shapes are the same size and shape.
congruent
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
The area of a rectangle is 42cm2. If the height is 12cm, what is the base? (hint= it's a fraction)
3.5cm
400
How do you find the area of a square?
A=bh
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
A specific order of steps used to calculate the perimeter, area, or volume of a shape.
formula
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
A triangle has an area of 64in2 and a height of 8in. What is the base?
16in
500
What is the formula for the area of a trapezoid?
A = 1/2(b1+b2)h
500
Find the area of a trapezoid with bases of 6 in and 8 in and height of 3in.
A=21 in2
500
A figure made up of two or more two-dimensional shapes.
composite figure
500
What is the area?
57 sq. cm
500
A trapezoid has an area of 28in2, a height of 4in, and a base of 6in. What is the length of the other base?
8in