the sum of the circumference and diameter of a circle is 116 cm. find its area
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let r be its radius then ATQ 2πr+2r=116....2r(π+1)=116 ...... r(π+1)=58 putting π=22/7 then r(22/7 + 1)=58.... r×29/7=58 it means r=14 then area=π r^2=22/7×14×14=22×2×14=616 cm square.
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