# trig

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given a central angle of 66 degrees find the area of a sector in a circle of radius 12.1 inches

• trig -

Area of a circle:

A=r^2*pi

Area of a sector:

As=r^2*pi*(66°/360°)

As=12.1^2*3.14159*0.18333

As=146.41*3.14159*0.18333

As=84.3245 in^2

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