find the circumfer of a circle whose radius is 4:2
rashmirbt10:
radius=4:5=4.5
am i right ??
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ans=
cf=2 pi r
2x22/7x4.5
=2x22/70x45
=2 x 22/14 x 9
22/7 x 9
28.28
cf=2 pi r
2x22/7x4.5
=2x22/70x45
=2 x 22/14 x 9
22/7 x 9
28.28
sory my ans is wrong
i took wrong pi
sory wrong r
wait i m giving u ans here
is my answer correct?
i think so
yeah mine is correct
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