MN // PQ

X = 

Đáp số

A = (40.38302088172961, 16.157534418499345)
B = (54.4446288779458, 16.0012943296525)
a = Segment(A, B)
C = (37.62277931210198, 3.1896070442110727)
b = Segment(B, C)
c = Line(C, a)
D = Point(c)
d = Segment(A, D)
E = Intersect(b, d)
e = Segment(B, E)
X = Segment(E, C)
đa giác1, c_1, d_1, a_1, b_1 = Polygon(C, D, A, B)
f = Distance(c_1, a_1)
chuvidagiacđa giác1 = Perimeter(đa giác1)
text3: X + ""
g = false