Question

ratio of radii of two wheels is 4 is to 5 find the ratio of their circumferences​

Answer 1

Step-by-step explanation:

let the radii be 4x and 5x

then thier circumference

=176x/22

=8xcm

=220x/22

=10xcm

Then thier ratio of circumference = 8xcm/10xcm

4/5

4 ratio 5