Math, asked by ranjeetaagarwal12, 1 year ago

find the circumference of a circle whose area is 6.16cm^2​

Answers

Answered by vivekkhilji
6

Answer:

area of circle=πr^2

6.16cm^2=22/7×r^2

6.16×7/22=r^2

43.12/22=r^2

1.96=r^2

√1.96=r

1.4cm=r

circumference of circle=2πr

=2×22/7×1.4

=44×0.2

=8.8cm

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