Question

Find the circumference of a circle of radius 15 cm. (Take π = 3.14.)

Answer 1

Here, r = 15 cm
∴ Circumference = $2\mathrm{\pi r}$
= ( 2 $\times$ 3.14 $\times$ 15) cm
= 94.2 cm
Hence, the circumference of the given circle is 94.2 cm