chandislilly
Answered

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PLEASE HELP I GIVE THANKS

PLEASE HELP I GIVE THANKS class=

Sagot :

The formula for a cylinder's surface area is, as I said before : [tex]\\ 2\pi rh+2\pi { r }^{ 2 }[/tex] in this question, h=x

Let's plug the values and solve :

[tex]2\pi rh+2\pi { r }^{ 2 }\\ \\ 2\cdot \pi \cdot 5\cdot 12+2\cdot \pi \cdot { 5 }^{ 2 }=2\cdot \pi \cdot 60+2\cdot \pi \cdot 25=120\pi +50\pi =170\pi \quad square\quad units\\ Answer\quad is\quad A[/tex]
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