Question

Find circumfrence of a circle whose area is 346.5​

Answer 1

Answer:

65.98

Step-by-step explanation:

A=πr2

C=2πr

Solving forC

C=2πA=2·π·346.5≈65.98672

Answer 2

Answer:

66cm

Step-by-step explanation:

πr²=346.5cm²

22/7 r²=346.5cm²

r² =346.57/22

=110.5

⇒r=10.5c

C=2πr=2×22/7 ×10.5

=66cm.

I hope it is helpful.....