Question

The ratio of the raddi of two wheels is 3:4. What is the ratio of their circumference?
Answer step by step​

Answer 1

Let the radii be x

So, ratio = 3x : 4x.

Circumference is equal to 2πr.

Therefore, ratio of circumferences:

2×22/7×3x : 2×22/7×4x

As there is 2πx both the sides.. It will get cut off and we will be left with 3:4 so, the ratio of circumstances will also be 3:4

Calculate and get the answer.

I hope this helped.