The area of two circles is in the ratio 25:36. Find the ratio of their circumference.
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The area of two circles is in the ratio 25:36. Find the ratio of their circumference.
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Answer:
5/6
Step-by-step explanation:
given that
Area =25:36
find
circumference = ?
A1/A2 =25/36
Area of circles = πr² 1/πr²2 =25/36
= ( r1 /r2 )² =25/36
= r1 /r2 =√25/36
= r1 /r2 = 5/6
circumference of circles =2πr
= 2πr1 / 2πr2
=r1 /r2
= 5/6