slaid

peegeldamine

Objekti ABCDE peegeldamine sirge f suhtes.

Objekti ABCDE peegeldamine punkti O suhtes.

Nägemaks, kuidas peegeldada teistsugust kujundit, 
liiguta punase hulknurga tippe.

Lõigule ML keskristsirge leidmine.

keskristsirge loomine

s = 1 (slider from 1 to 2, step 1)
A = (-4, 3)
B = (-2, 3)
C = (-2, 5)
D = (-3, 5.9)
E = (-3, 4)
hulknurk1, a, b, c, d, e = Polygon(A, B, C, D, E)
F = (1, 6)
G = (-1, 1)
f = Line(F, G)
B' = Mirror(B, f)
g = OrthogonalLine(B, f)
H = Intersect(g, f)
h = Segment(B, H)
i = Segment(H, B')
p = 1 (slider from 1 to 13, step 1)
A' = Mirror(A, f)
E' = Mirror(E, f)
C' = Mirror(C, f)
D' = Mirror(D, f)
j = Segment(A, A')
I = Intersect(f, j)
k_{1} = Segment(I, A)
l_{1} = Segment(I, A')
α = Angle(F, H, B)
m = Segment(E, E')
n = Segment(C, C')
q = Segment(D, D')
J = Intersect(f, q)
K = Intersect(f, n)
L_{1} = Intersect(f, m)
hulknurk2, d', c', b', a', e' = Polygon(D', C', B', A', E')
O = (1, 4)
B'_{1} = Mirror(B, O)
A'_{1} = Mirror(A, O)
E'_{1} = Mirror(E, O)
C'_{1} = Mirror(C, O)
D'_{1} = Mirror(D, O)
r = Segment(B, B'_{1})
s_{1} = Segment(A, A'_{1})
t = Segment(E, E'_{1})
f_1 = Segment(C, C'_{1})
g_1 = Segment(D, D'_{1})
hulknurk3, a'_{1}, b'_{1}, c'_{1}, d'_{1}, e'_{1} = Polygon(A'_{1}, B'_{1}, C'_{1}, D'_{1}, E'_{1})
k = 1 (slider from 1 to 5, step 1)
M = (-1, 3)
L = (4, 2)
l = Segment(M, L)
c_1 = Circle(L, 4)
d_1 = Circle(M, 4)
Q, P = Intersect(c_1, d_1)
u = Line(P, Q)
N = Intersect(u, l)
β = Angle(P, N, M)