Question

the area of circle is 154 cm² is find the circumference of the circle​

Answer 1

Answer:

Circle

Solve for circumference

C≈43.99cm

A Area  

154

cm²

d

r

r

r

d

d

C

A

Using the formulas

A=πr2

C=2πr

Solving forC

C=2πA=2·π·154≈43.99115cm

area=154cm square

area=pi r square

154cm=22/7×r ×r

154cm×7/22=r×r

49cm=r square

r=7cm

circumference =2 pi r

2×22/7×7cm

2×22cm

44cm