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Area of Regular Polygon, Tangent Function

TRIG-0JMGRJ

Manny has been told he has to paint a regular nonagon deck (9-sided) with a perimeter of $108\ meters$.

If each gallon of paint covers $50\ {meters}^2$, how many gallons of paint will Manny have to buy? (Round UP to the next highest gallon)

A

$7\; gallons$

B

$14\; gallons$

C

$18\; gallons$

D

$19\; gallons$