立體測量(2) 隔著河測對岸建築物高度
Author: 藍邦偉  老師

A,B,C,D四點皆可以移動，觀察圖形。

立體測量(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)
C = Point(a)
h = OrthogonalLine(C, a)
D = Point(h)
b = Segment(D, C)
E = (-0.293380000000001, -4.184476181818183)
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)