Question

His bike has wheels of diameter 85cm He invented a counter for his bike, which counts how many revolutions the wheel does One day the counter shows 290 revolutions How far has billy cycled to the nearest meter

Answer 1

circumference × revolution number =

`2\pi {r}^(2) * 290`

774

`\pi`

Answer 2

774 meters

Explanation:

use pi to find the circumference and multiply by 290