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
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)
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