三角測量(2) 隔著河測對岸建築物高度
Author: 藍邦偉  老師

A,B,O,H四點皆可以移動，觀察圖形。

三角測量(2) 隔著河測對岸建築物高度

A_2 = (11.712239999999998, -0.5827901818181831)
A_1 = (-7.2624960000000005, -0.963456181818183)
a = Segment(A_1, A_2)
O = Point(a)
h = OrthogonalLine(O, a)
H = Point(h)
b = Segment(H, O)
E = (-0.293380000000001, -4.184476181818183)
F = (11.770803999999998, -0.6706361818181831)
c = Segment(F, E)
A = Point(c)
B = Point(c)
d = Segment(O, A)
e = Segment(O, B)
f = Segment(H, B)
g = Segment(H, A)
k = Circle(O, 0.4)
G = Intersect(k, b, 1.0)
H_2 = Intersect(k, d)
I = Intersect(a, e)
H_1: G + H_2 - O
i = Segment(H_1, G)
j = Segment(H_1, H_2)
J = Intersect(k, e)
K_1: G + J - O
l = Segment(G, K_1)
m = Segment(K_1, J)
α = Angle(H, A, O)
β = Angle(O, B, H)
n = 0 (slider from 0 to 3, step 1)