Question

Billy likes to go cycling.
His bike has wheels of diameter 85 cm.
He has a counter on his bike which
counts the number of revolutions
the wheels make.
One day the counter shows 210 revolutions.​
how far has Billy cycled ?
give your answer to the nearest meter.

Answer 1

Answer:

You can buy those for ~ $20, they show speed and distance. No need to invent it. It works well on bicycles, but adapting it to rollerblades is not easy.

Step-by-step explanation:

Circumference = pi*85 cm

d = 240*85*pi = 20400*pi cm = 204*pi meters

d =~ 641 meters

HOPE THIS HELPS ( ;