8. The areas of two circles are in the ratio 16:25. Find the ratio of their circumferences.
Answers
Answered by
13
Step-by-step explanation:
I think it will help you
Attachments:
Answered by
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.
:)
Similar questions