difference between the circumference and diameter of a circle is 28cm. find the radius
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Diameter = 28 cm
Radius = diameter/2
= 28/2
= 14 cm
Area of circle = Π r ²
= ( 22/7 ) x (14)²
= ( 22/7 ) x 14 x 14
= 22 x 2 x 14
= 44 x 14
= 616 cm²
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