Question

area of circle is 154 square centimetre its circumference will be​

Answer 1

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Answer 2

Answer:22 root 2

Step-by-step explanation:

Given area of is 154cm sq.

So,

2pie r sq.=154cm sq

2 x 22/7 x r sq.=154

So,

R sq.=49/2

R=7/√2

Circumference =2 pie r

2 x 22/7 x 7/√2=22√2cm

Circumference of the circle is 22√2cm.