Question 196

Area of the circle is 616 $$cm^{2}$$. What is the area of the rectangle? (One side of the rectangle passes through the centre of the circle)

Solution

Area of the circle =$$\pi d^2/4$$ = 616
d = 28
The length of the rectangle is equal to diameter which is 28 and breadth is equal to radius which is 114
Area = 28*14 = 392


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