The difference between the circumference and the radius of a circle is 37 cm. The area of a circle is?

Question

Accepted Answer

∵ 2πr - r = 37 ⇒ [(2 x 22/7) -1]r= 37 ⇒ 37r / 7= 37 ∴ r = 7 So, area of the circle =(22/7) x 7 x 7 cm2 = 154 cm2

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