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**Vocabulary**Arcs Segments Equations of Circles Angles 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt**An angle with a vertex on the circle and legs in the**interior of the circle.**A**C If chord AC = chord CD, then what can we assume about their arcs? B D**B**C Find the measure of arc AD. 7xo (5x+18)o A D**130o**Find x. xo**A**(4x + 50)o 30o 3xo C B Find the measure of arc AB**If the radius of the circle is 9, what is the arc length of**AB? A B 700 C**5**x Find x. 4 2**5x+27**Find x. Assume that segments that appear to be tangent are tangent. 14x**Find x.**16 x 12 Assume that segments that appear to be tangent are tangent.**5**x 3 9 Find x.**Find x.**X+16 16 x**In an equation of a circle, the (h, k) values represent the**__________________ and the sum represents the ____________________.**A circle with the equation (x-8)2 + (y+13)2 = 196 would have**a center at ______ and a radius of ______.**(8, -13)**r = 14**Write the equation of a circle with a center at**(-3,6) and a radius endpoint at (0,6)**Graph the circle with the equation:**x2 + (y-2)2 = 25**Write an equation for a circle whose diameter has endpoints**(-2, 2) and (2, 2)**Find the measure of x if the measure of arc ACB is 225.**A B xo C**75o**Find m<x. xo**Find x.**Assume segments that appear to be tangents are tangent. xo**Find the m<AED.**B A E 94o 74o D C 92o