Question

The circumference of circle A is 400 meters. The circumference of circle B is 800 meters. What is the relationship

between the radius of circle A and the radius of circle B? Justify your answer.

Answer 1

Circle B is 2 times bigger then circle A

Explanation:

This is because

Circle A

400/pi= about 127.3

Circle B

800/pi= about 254.6