Question 78
The radius of a circular field is equal to the side of a square field whose perimeter is 784 feet. What is the area of the circular field ?
Solution
Perimeter of square = 784 ft.
Side of square = 784/4 = 196 ft. = Radius of circle.
Area of circle = $$\dfrac{22}{7}\times196\times196 = 120736$$ sq.ft.
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