Question

Brenda has a circular garden of radius 21 m . She ran round the garden twice .what distance did she cover ​

Answer 1

Brenda ran 263.76 metres.

Explanation:

The circumference of a circle is two times pi times its radius. Brenda rand that twice, so we need:

2 × 2πr

= 4πr

= 4 × 3.14 × 21m

= 263.73m