Question

SA = πrs + π r^2
Can someone help me with this problem

Answer 1

SA = pi (rs + r^2)
SA/pi = rs + r^2
(SA/pi) - r^2 = rs
[(SA/pi) - r^2]/r = s

SA/(pi*r) - r = s

Answer 2

SA = pirs + pir^2
SA -
`\pi`r^2 =
`\pi`rs