Question

the radii of two circles are in the ratio 2:3 what is the ratio of their circumference
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Answer 1

Step-by-step explanation:

Let the radii of the two circle be 3r and 2r respectively

Then, required ratio :

=2π(3r)/2π(2r)

=3/2

=3:2

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Answer 2

Answer:

2:3

Step-by-step explanation:

r1=2x and r2=3x where x is the number multiplied so that we get original number in a ratio

2$\pi$r1 =Circumfence of 1 circle

2$\pi$r2=Circumfence of 2 circle

2$\pi$*2x/2

2$\pi$ cancelled

2x/3x=2/3

=2:3

In these types of questions alway radii=circumference that u should remeber i still solved for u but everytime radii=circumference when ratio is given and we have to find ratio of circumference this trick u should know