Discover C-81 on p 465

∠CDE is an _____ angle.

∠CAE is a ______ angle

Arc EC is the intercepted arc for both angles ____ and ____.

The measure of arc CE is _____ degrees.

The measure of the inscribed angle is ____ the measure
 of the ____ angle and _____ the measure of ____

A = (9.26, -2.28)
B = (11.52, 1.7)
c = Circle(A, B)
C = Point(c)
D = Point(c)
E = Point(c)
f = Segment(C, D)
g = Segment(D, E)
h = Segment(A, C)
i = Segment(A, E)
α = Angle(E, A, C)
β = Angle(E, D, C)