Translation 1 unit left and rotation of 90 degrees counterclockwise
The area of the sector is 472.6 ft²
<h3>Area of a Sector</h3>
For finding the area of the sector, you need apply the formula:
, where:
r= radius
α= central angle
The question gives:
r= radius= 19 ft
α= central angle = 150°
Thus, the area of the sector will be:

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It is 5 because you have to do 12 squared minus 13 squared and then square root that which equals 5
Answer:
option C is the answer......