The ratio of the radii of two circles is 8:10 find the ratio of their circumference
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2
let the radii of the circles be 8x and 10x.....
now, c1/c2 = 2πr/2πR
=8x /10x =8/10...
so, the ratio of there circumference will be 8:10...
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Answer:
r1:r2=8:10=4:5
Ratio of circumference = 2π(r1):2π(r2)
=2π(r1):2π(r2)
=r1:r2
=4:5
Step-by-step explanation:
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