Solve for h in the mathematical formula SA = 2πr2 + 2πrh

Question

Mathematics

Marcus Rhodes

17 April, 11:25

Solve for h in the mathematical formula SA = 2πr2 + 2πrh

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Answers (2)

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Akira Owen · Answer 1

SA=2πr^2+2πrh which is equal to:

SA=2πr (r+h) divide both sides by (2πr)

r+h=SA / (2πr) subtract r from both sides

h=SA / (2πr) - r or if you prefer

h = (SA-2πr^2) / (2πr)

Melina Moody · Answer 2

SA = 2πr (r+h)

SA / 2πr = r + h

h = (SA - 2πr^2) / 2πr