the area of a circle is 75.46cm square .find its circumference
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area = 75.46 cm²
πr² = 75.46
22/7 x r² = 75.46
r² = 24.01
r = 4.9cm
circumference
2πr
=2 x 22/7 x 4.9
= 30.8 cm
@skb
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2
since ,
area of circle = pie × r × r .(r = Radius.)
perimeter of circle = 2× pie × r.
plzz mark as brainliest.
i am in need .
:-(
area of circle = pie × r × r .(r = Radius.)
perimeter of circle = 2× pie × r.
plzz mark as brainliest.
i am in need .
:-(
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agrim58:
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