find the area between the concentric circle if the radius of the inner circle is 14cm and the outer circle is 21cm
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Hey,
Outer radius =R=21cm
Inner radius =r=14cm
So, Area =π(R^2-r^2)
=22/7*(21*21-14*14)
=22/7*245
=770cm^2.
Hope this helps you buddy!!
Outer radius =R=21cm
Inner radius =r=14cm
So, Area =π(R^2-r^2)
=22/7*(21*21-14*14)
=22/7*245
=770cm^2.
Hope this helps you buddy!!
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