Posted by **Paige** on Tuesday, May 22, 2012 at 12:59pm.

Triangle RSU has two of its points(R and S) on the sides of a circle. Line SU forms a secant ray that passes through the diameter of the circle. Angle S is 30 degrees, the measure of arc RS is 84 degrees, and RU is tangent to the circle at R. Find the measure of angle U.

27° 12° 54° 24°

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