Area of a Triangle Demonstration

midpoint

A = (-3.035529880709892, 7.188683199604086)
B = (-3, 4)
C = (2.5304518444777875, 3.9948974279787235)
poly1, c, a, b = Polygon(A, B, C)
D = Midpoint(b)
d = false
Rotate = 0 rad (slider from 0 to 3.141592653589793, step 0.017453292519943295)
A' = Rotate(A, Rotate, D)
B' = Rotate(B, Rotate, D)
C' = Rotate(C, Rotate, D)
poly1', c', a', b' = Polygon(A', B', C')
e = Segment(A, C)
f = Segment(C, B)
g = Segment(B, A)
h = Segment(C', B')
i = Segment(B', A')
j = Segment(A', C')
α = Angle(C, B, A)