The ratio of the diameter of 2 circles is4:5find the ratio of their circumference
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let the diameter of circles be 4x and 5x
circumference of 1st circle=2*3.14*4x=25.12x
solve 2nd circle circumference in same way
ratio=(x*25.12)/(x*31.40)=2512:3140
circumference of 1st circle=2*3.14*4x=25.12x
solve 2nd circle circumference in same way
ratio=(x*25.12)/(x*31.40)=2512:3140
gillsaab40:
haa
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