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The circumference of a circle is 56 cm. Find the approximate area of square if the radius is two times of the side of a square.A. `18 cm^2`B. `32 cm^2`C. `25 cm^2`D. `20cm^2` |
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Answer» Correct Answer - D ATQ, `2pir=56 cm` `rArr2xx22/7xxr=56 m` `rArr r=(56xx7)/44=98/11 cm` Side of a square `=98/(2xx11)=49/11 cm` `:." Area of square"=("side")^2=(49/11)^2` `=2401/121~~20 cm^2` |
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