Find the area of circle whose circumference is 22 cm
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Answered by
18
Answer:38.5 square cm.
Step-by-step explanation:
2πr= 22
=> 2×22/7×r= 22
=> 44/7r=22
=> r= 22×7/44
=> r=3.5cm
Area of a circle= π(r)square
Area of the circle =22/7×3.5×3.5
=> Area of the circle= 38.5cmsquare
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Answered by
9
Answer:
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Circumference: 22cm
22=2πr
22=2×r×22\7
22×7\44=r
7\2=r
Radius = 7\2cm
So, Area of circle= πr²
=22\7×7\2×7\2
=77\2cm²
Step-by-step explanation:
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