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Trigonometry 11 Online
OpenStudy (anonymous):

The area of the sector of the circle with the radius of 5 inches is 25 square inches. Find the approximate degree measure of the central angle of the sector of this circle. A. 57.3º B. 2º C. 114.6º D. 18.3º Would I use this formula to come up with answer B: A = 1/2r^2θ? 25 = (1/2)5^2x where x =2

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