Rectangles & Squares
Find the area of a rectangle with a length of 8 cm and a width of 5 cm.
40 square centimeters
8 x 5 = 40 square centimeters
What is the area of a parallelogram with a base of 10 cm and a height of 4 cm?
40 square centimeters
10 x 4 = 40
State the formula used to find the area of any triangle.
Base x Height divided by 2
If a square playground has an area of 49 square meters, what is the length of one side?
7 meters
What is the formula for area of a prallelogram?
Base x Height
A square carpet has a side length of 9 feet. What is its area?
81 square feet
9 x 9 = 81
A parallelogram has a base of 7 ft, a height of 6 ft, and a slanted side length of 8 ft. Which measurement is NOT used to find the area?
The slanted side length (8 ft)
Find the area of a triangle with a base of 12 cm and a height of 5 cm.
12 x 5 divided by 2 = 30
60 divided by 2 = 30
A rectangle and a triangle share the same base (8 ft) and height (6 ft). How many times larger is the area of the rectangle than the triangle?
24 square feet larger.
Double!
What is the formula for area of a triangle?
Base x Height divided by 2
A rectangular pool has an area of 72 m² and a width of 6 m. What is its length?
12 m
____ x 6 = 72
or 72 divided by 6 = 12
Calculate the area of a parallelogram with a base of 15 mm and a perpendicular height of 4.5 mm.
67.5 square mm
15 x 4.5 = 67.5 square mm
A triangle has a base of 8 in and a height of 15 in. What is the area?
60 square centimeters
8 x 15 divided by 2 = 30
120 divided by 2 = 30
The height of a triangle is 3 cm longer than its base. If its base is 6 cm, what is its area?
27 square centimeters
Height = 6 + 3 = 9
9 x 6 divided by 2 = 27
54 divided by 2 = 27
What is the formula for area of a rectangle?
or Base x Height
A square tile has a total perimeter of 24 inches. What is the area of the tile?
36 square inches
6 x 6 = 36
A parallelogram-shaped parking spot has an area of 108 ft² and a base of 12 ft. What is its perpendicular height?
9 feet
_____ x 12 = 108?
108 divided by 12 = 9
A triangle has an area of 36 square meters and a height of 9 meters. What is the length of its base?
8 m
Mr. Kelley will show work for this one!
A parallelogram and a triangle both have a base of 10 cm and an area of 50 square meters. What are their respective heights?
Parallelogram height = 5 cm
Triangle height = 10 cm
What two formulas would you use to find the area of this shape?
Triangle: Base x Height divided by 2
Rectangle/Parallelogram: Base x height