if the circumference of a circle is 154cm ,find it's radius and also find it's area
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the rule for circumference of a circle = 2\piπ radius
to find the radius= 154=2*22/7*r
154*7=2*22*r
1078 =44*r
r=1078/2
r=44/2
538/22
radius=24.5rule for are of a cirlce =\piπ r^2
=22/7*24.5*24.5
area= 1886.50m^2
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