Find the diameter of circle whose area is 13.86m2
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i hope it will help uh...
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rajeshsharma061952:
Thabks. But in book the anwer s are given but directly and the answer is 4.2m.
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Area of circle=π×r×r
=22/7×r×r=13.86
=r2=13.86×7/22=.63×7=4.41
r=√4.41=2.1 m
d=2r
d=2×2.1=4.2m
diameter=4.2m
=22/7×r×r=13.86
=r2=13.86×7/22=.63×7=4.41
r=√4.41=2.1 m
d=2r
d=2×2.1=4.2m
diameter=4.2m
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