Solve for S S=2pir(r+h)

$S = 2 π r (r + h)$

Step 1

Apply the distributive property.

$S = 2 π r \cdot r + 2 π r h$

Step 2

Multiply $r$ by $r$ by adding the exponents.

Move $r$ .

$S = 2 π (r \cdot r) + 2 π r h$

Multiply $r$ by $r$ .

$S = 2 π r^{2} + 2 π r h$

$S = 2 π r^{2} + 2 π r h$

Step 3

Move $r$ .

$S = 2 π r^{2} + 2 π h r$

Step 4

Reorder $2 π r^{2}$ and $2 π h r$ .

$S = 2 π h r + 2 π r^{2}$

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