f = Function(x / 4 sqrt(36 - x^(2)), 0, 6)
A = (10, 6)
B = Point(Circle[A, 3])
a = Segment(A, B)
b = OrthogonalLine(A, xAxis)
C = Mirror(B, b)
c = Segment(A, C)
d = Segment(C, B)
H = Intersect(b, d)
e = Segment(A, H)
M: (Distance[B, C], Area[A, B, C])