A wire bent in the shape of a square with side 11 cm was straightened
out and bent in the shape of a circle. Find the radius and area covered by the
circle.
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Answer:
r=7cm,area of circle=154cm
Step-by-step explanation:
Atq,we can say perimeter of square=circumference of the circle
Area of spuare=side×4
=11×4
=44cm
As I have mentioned above 44= 2πr
44=2×22/7×r
r=44×7/2×22
simplify and we got
7cm=r
now area of circle=πr²
22/7×7×7
simplify and we got
154cm=area of circle
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