Question

if the radius of circle is 23 cm what is its circumference

Answer 1

Radius of circle = 23 cm

Circumference = 2 * pi * r
= 2 * 3.14 * 23
= 46 * 3.14
= 144.44

Answer 2

circumference if circle=2πr
2×3.14×23=144.4cm.
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