無理數的作圖
Author: 藍邦偉  老師

-3

-2

A(-1)

1

2

3

B

M

C(sqrt(n),0)

無理數的作圖

n = 7 (slider from 2 to 10, step 1)
B = (-4, 0)
C = (-3, 0)
D = (-2, 0)
E = (-1, 0)
O = (0, 0)
F = (1, 0)
G = (2, 0)
H = (3, 0)
B_1: (n, 0.0)
A: (x(Corner[1.0]), 0.0)
I: (x(Corner[2.0]), 0.0)
u = Vector(A, I)
J = Midpoint(E, B_1)
c = Semicircle(E, B_1)
a = Segment(A, I)
b = OrthogonalLine(O, u)
K = Intersect(c, b, 1.0)
d = Circle(O, K)
L, M = Intersect(d, a)
e = Segment(K, E)
f = Segment(K, B_1)
文字1: "C( \sqrt{ " + n + " })"
文字2: " \frac{ 1 }{ \overline{ OK }  }= \frac{  \overline{ OK }  }{" + n + " } "