Question

the ratio of the radii of two wheels is 3 ratio 4 what is the ratio of their circumference.
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Answer 1

Answer:

The ratio of the radii of two wheels in 3:4.

Let the ratio be x

So radii of two wheels are 3x and 4x

Circumference = 2πr

So, circumference of wheel of radius 3x = 2π(3x)=6xπ

So, circumference of wheel of radius 4x = 2π(4x)=8xπ

The ratio of their circumference= 6xπ/8xπ = 3/4

Hence  the ratio of their circumference is 3:4