A wire is bent in form of a square of side 77cm. It is straightened and bent into
shape of circle Find the area of circle.
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Answer:
7546 cm²
Step-by-step explanation:
perimeter of Square = 4 * 77
= 308 cm²
Perimeter of square = circumference of Circle
circumference of circle = 2πr
2r * ( 22/7 ) = 308 cm²
r = 308 * (7/44)
r = 49cm
Area of Circle = πr²
= ( 22/7 ) * 49 * 49
= 7546 cm²
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