Author: Created by Mr Lafferty@mathsrevision.com
Date: 29 March 2013

A = Intersect(xAxis, yAxis)
B = (4.74, 1.94)
c = Circle(A, B)
a = Segment(B, A)
C = Point(c)
b = Segment(A, C)
d = Segment(B, C)
α = Angle(A, B, C)
β = Angle(B, C, A)
γ = Angle(C, A, B)