Question

if the ratio of diameter of two circle is 2:5 find ratio of their circumference​

Answer 1

Answer:

Let the diameter be d1=4x ;d2=5x

r1=2x ;r2=5x/2

a=

\pi \times r ^{2}π×r

2

ratio=(22/7×4x^2)/(22/7×25x^2/4)

on solving we get the ratio as 16/25...i.e.16:25

Hope its the answer and is helpful!!!

Answer 2

Answer:

Same ratio Bro, 2:5

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