Question

if michelle rollerblade around a circular track with a radius of 80 meters, how far does she skate? use 3,14 for pie. round to the nearest tenth

Answer 1

Circumference of a circle formula is 2$\pi$r

2 × $\pi$ × 80
=160 × $\pi$ 
=502.4 m

She skates 502.4 m.