Question

7. The areas of two circles are in the ratio of 16:25. Find the ratio of their circumferences.​

Answer 1

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Answer 2

Answer:

The answer is 4:5

Step-by-step explanation:

Let r and R are radii of two circles ,

Ratio of their areas = 16 : 25

πr² : πR² = 16 : 25

r² / R² = ( 4/5 )²

r / R = 4/5-----( 1 )

Ratio of circumferences = 2πr / 2πR

= r / R

= 4/5

[ From equation ( 1 ) ]

= 4 : 5

I hope this helps you.

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