Move points I and T to change the shape of the kite.

I = (-2.044, 4.512)
E = (1.88, 0.96)
BH = Segment(I, E)
T = (-2.616, 1.982)
K = Mirror(T, BH)
RM = Segment(T, K)
poly1, a_1, c', b_1, c = Polygon(I, K, E, T)
O = Intersect(RM, BH)
a = Segment(I, O)
b = Segment(K, O)
d = Segment(O, T)
e = Segment(O, E)
α = Angle(K, O, I)