find the circumference and area of a circle of radius 17.5 cm
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C= 2πr
= 2×3.14×17.5
= 109.9
A = πr×r
=3.14×17.5×17.5
=961.625
= 2×3.14×17.5
= 109.9
A = πr×r
=3.14×17.5×17.5
=961.625
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