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? (5 marks)
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Problem hassan built a fence around a square yard. It took 500 feet^2of lumber to build the fence. The fence is 5 feet tall.
Let say square yard = x * x feet²
Perimeter of Square yard = 4x feet
Height of fence = 5 feet
Area of fence = 4x * 5 = 20 x feet²
20x = 500
=> x = 25
Area of square yard = 25 * 25 = 625 feet²
625 feet² is the area of the yard inside the fence
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