Use area to solve problems practice test. Math 6B 6.23

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1. Sam wants to plant a rectangular garden in his backyard. The length of the garden is 12 feet and the width is 8 feet. What is the area of the garden?

To find the area of the garden, use the formula for the area of a rectangle:
Area = length x width

Area = 12 feet x 8 feet
Area = 96 square feet

Therefore, the area of the garden is 96 square feet.

2. A circular swimming pool has a diameter of 20 feet. What is the area of the pool?

To find the area of the pool, use the formula for the area of a circle:
Area = π x radius^2

Given that the diameter is 20 feet, the radius is half of the diameter:
Radius = 20 feet / 2 = 10 feet

Area = π x 10 feet^2
Area = 100π square feet (approx. 314.16 square feet)

Therefore, the area of the pool is approximately 314.16 square feet.

3. A triangle has a base of 15 units and a height of 9 units. What is the area of the triangle?

To find the area of the triangle, use the formula for the area of a triangle:
Area = 1/2 x base x height

Area = 1/2 x 15 units x 9 units
Area = 67.5 square units

Therefore, the area of the triangle is 67.5 square units.
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