Answer:
D
Explanation:
SA = πrs + πr²
SA - πr² = πrs
s = (SA - πr²)/πr
(SA - π r^2)/πr = s
SA = πrs + π r^2
Subtract π r^2 from each side
SA - π r^2 = πrs + π r^2-π r^2
SA - π r^2 = πrs
Divide each side by πr
(SA - π r^2)/πr = πrs/πr
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