Question

find the ratio of circnmferencr having ratio of radius 7:9​

Answer 1

Answer:

7:9

Step-by-step explanation:

Hello,

The radii of two circles=7x,9x

the ratio of circumference=2×π×r/2×π×r

(2×π×7x)/(2×π×9x)

=7/9

ans.7:9

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