Question

2πr²+πrh=S Solve for r

Answer 1

Answer:

r=S/2πr+πh

STEP BY STEP EXPLANATION

By solving this question we will make r the subject of the formula

2πr²+πrh=S

factorise(between the two values find the common factors which is πr)

πr(2r+h)=S

divide both sides by the factorised expression which is (2r+h)

πr=S/(2r+h)

to get our r we need to divide both sides by π which is the coefficient of r

r=S/(2r+h)π

r=S/(2πr+πh)

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