Question:The perimeters of a circular and another square field are equal.Fine the area in sq.cm of the circular field if the area of the square field is 484 sq.cm. 

A 888 
B 770 
C 616 
D None of these 

+ Answer
C 

+ Explanation
Side of square field` = sqrt(484) = 22 cm.

:. Permeter` = 22 xx 4 = 88 cm.

`2 xx 22/7 xx R = 88 => R = (88 xx 7/44)`

`= 14 cm.`

Area` = (22/7 xx 14 xx 14) cm^2 = 616 cm^2`

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Irin Moni

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