Question

A circular track has a radius of 70cm. If an athlete runs around it twice, how far has he run?​

Answer 1

The runner has ran 280m because we need to know the whole length and the radius is 70 so the diameter is 140 times 2 is 280

Answer 2

Answer:140 cm

Step-by-step explanation: If they ran twice: 70*2=140cm