if the radius of a circle is doubled, what would be the ratio of new diameter to new circumference?
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hey friend here is your answer
if r=2r
d=2r=2×2r=4r
c=2πr=2×π×2r=4πr
d/c=4r/4πr=1/π=1/22/7=7/22
hence the ratio=7:22
if r=2r
d=2r=2×2r=4r
c=2πr=2×π×2r=4πr
d/c=4r/4πr=1/π=1/22/7=7/22
hence the ratio=7:22
surajstar:
wrong
1 /2
is correct
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