Find the perimeter of a circle whose radius is 3cm to the nearest whole number

A: 18.857 cm

B: 18 cm

C: 19 cm

D: 16.25 cm

Correct Answer : C

Given :
Radius (r) = 3cm

we apply the formulae ;
Circumference=2πr

C = 2 × 22/7 × 3

=18.857 cm

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