Question

& The ratio of the radio of two
cercles ů 3:40. Find the ratio of
their circumferece.​

Answer 1

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GIVEN :-

The ratio of the radii of the circles = 3:5

Radius of first circle = 3x

Radius of second circle = 5x

TO FIND :-

Find the ratio of their circumferece.

SOLUTION :-

Circumference = 2πr

= 2π×3x=6πx

circumference of second circle = 2πr

= 2π×5x=10πx

Ratio between their circumference

= 6πx:10πx

= 16:10

= 3:5

• I Hope it's Helpful.