O = (-1.201400000000001, -0.28380000000000055)
O_1 = (1.6783999999999994, 5.2096)
k = 2 (slider from 0 to 3, step 0.1)
k_1 = -0.5 (slider from -2 to 2, step 0.1)
Tên ảnh1'_1 = Dilate(Tên ảnh1, k, O)
Tên ảnh1' = Dilate(Tên ảnh1, k_1, O_1)
M = (6.2764, 2.4749999999999996)
D = (6.3248, -0.23540000000000053)
M' = Dilate(M, k, O)
D'_1 = Dilate(D, k, O)
M_1 = Dilate(M, k_1, O_1)
D' = Dilate(D, k_1, O_1)
a = Segment(O, M')
b = Segment(O, D'_1)
c = Segment(M_1, M)
d = Segment(D, D')