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15-08-2016
Mathematics

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Marta is solving the equation S = 2Πrh + 2Πr2 for h. What is the result?

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Hussain514 Hussain514

18-08-2016

S = 2Πrh + 2Πr2
Manipulating the equation for h.
Step 1. subtract 2Πr2 on both sides.

S - 2Πr2 = 2Πrh + 2Πr2 - 2Πr2
S - 2Πr2 = 2Πrh

Step 2 . divide 2Πr on both sides

(S - 2Πr2)/2Πr = 2Πrh/2Πr

h = (S - 2Πr2)/2Πr

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