三角測量(2) 隔著河測對岸建築物高度
Author: 藍邦偉  老師

$C$

$D$

$A$

$B$

$ 三角測量\;(02) $

A_2 = (11.712239999999998, -0.5827901818181831)
A_1 = (-10.629926000000001, -1.080584181818183)
a = Segment(A_1, A_2)
C = Point(a)
h = OrthogonalLine(C, a)
D = Point(h)
b = Segment(D, C)
E = (-1.75748, -4.5651421818181825)
F = (11.770803999999998, -0.6706361818181831)
c = Segment(F, E)
A = Point(c)
B = Point(c)
d = Segment(C, A)
e = Segment(C, B)
f = Segment(D, B)
g = Segment(D, A)
k = Circle(C, 0.4)
G = Intersect(k, b, 1)
H = Intersect(k, d)
I = Intersect(a, e)
H_1: G + H - C
i = Segment(H_1, G)
j = Segment(H_1, H)
J = Intersect(k, e)
K_1: G + J - C
l = Segment(G, K_1)
m = Segment(K_1, J)
α = Angle(D, A, C)
β = Angle(C, B, D)