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Geometry Homework – 12-3 Name: Date: Block: Find the value of each variable. For each circle, the dot represents the center. 1) 2) 3) 4) 5) 6) 7) 8) 9) Find the value of each variable. Lines that appear to be tangent are tangent. 10) 11) 12) Find each indicated measure for 13) a) mC b) mB c) d) 14) a) M. b) c) mS d) mTMS Find the value of each variable. For each circle, the dot represents the center. 15) 16) 17) 18) A student inscribes quadrilateral ABCD inside a circle. The measures of angles A, B, and C are given below. Find the measure of each angle of quadrilateral ABCD. mA = 8x 4 mB = 5x + 4 mC = 7x + 4 19) A student inscribes an angle inside a semicircle to form a triangle. The measures of the angles that are not the vertex of the inscribed angle are x and 2x 9. Find the measures of all three angles of the triangle.