if the ratio of the diameters of two circles is 5:7,what is the ratio of their circumference?
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5:7............................
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ratio of radii is 5:7
circumference =2*pi*r
therefore c1/c2=(2*pi*R1)/(2*pi*R2)
= R1/R2=5/7
therefore ratio of two circumference is 5:7
if hope this will help you.
circumference =2*pi*r
therefore c1/c2=(2*pi*R1)/(2*pi*R2)
= R1/R2=5/7
therefore ratio of two circumference is 5:7
if hope this will help you.
RJ12345:
thank you
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