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Trigonometry

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Inverse Function, Area, Law of Cosines, Perimeter

TRIG-EBVJBA

Barb has a piece of property she wants to enclose with a fence. Two of the sides measure 45 meters and 55 meters, and she knows the area of the property is 1200 square meters.

How many meters, to the nearest tenth of a meter, of fencing does Barb have to buy?

A

$179.1\; \text{meters}$

B

$162\; \text{meters}$

C

$115.8\; \text{meters}$

D

$220.8\; \text{meters}$