三角測量(03)
Author: 藍邦偉  老師

由C點測得屋頂B的仰角α，前進x公尺，再測得屋頂B的仰角為β。

三角測量(03)

A = (7.48, -1.3)
C = (-3.42, -2.2600000000000002)
f: x = x(C)
b = Segment(C, A)
a: x = x(A)
B = Point(a)
e = Segment(B, A)
c = Segment(C, B)
D = Point(b)
d = Segment(B, D)
α = Angle(B, D, A)
β = Angle(A, C, B)