please help..........
Attachments:

Answers
Answered by
20
Answer:
we need to express C from this equation
A = r(C/2)
2A = r(C2/2). (multiply by 2 both side)
2A /r = rC/r. ( divide both side by r)
2A /r = C
C = 2A/r
hope it will help you.........
Similar questions