Question

A steel wire when bent in the from of a square encloses an area of 121cm.if the same wire is bent in the from of a circle,then find the circumference of the circle​

Answer 1

Answer:

a^2= 121

a= 11cm

4a= 44cm

circumference= 44cm

Answer 2

C≈38.99

A Area

121

Using the formulas

A=πr2

C=2πr

Solving forC

C=2πA=2·π·121≈38.99398