find the diameters of the circles whose areas are given below.(round off the decimals to the nearest integers). (a)706.5m^2 (b) 254.34cm^2
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Formula for area is A = Πr^2
a) Here,
A = 706.5
So, 706.5=Πr^2
706.5/Π = r^2
r^2 = 225
So, r = 15m.
Use same method for b) and you will get r = 9m
a) Here,
A = 706.5
So, 706.5=Πr^2
706.5/Π = r^2
r^2 = 225
So, r = 15m.
Use same method for b) and you will get r = 9m
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