Hassan built a fence around a square yard. It took 500 square feet of lumber to build the
fence. The fence is 5 feet tall.
What is the area of the yard inside the fence?
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Answer:
625 square feet
Step-by-step explanation:
It took 500 square feet of lumber to build the fence, the fence is 5 feet tall
Square yard = x * x square feet
Perimeter of Square yard = 4x feet
Height of fence = 5 feet
Area of fence = 4x * 5 = 20 x square feet
20x = 500
x = 25
Area of square yard = 25 * 25
= 625 square feet
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