Combinations

Rotation
Reflection
Reflection

The blue triangle is a rotation of the yellow one; the green triangle is a reflection of the blue one; the red triangle is a reflection of the green one.

Can you make the red triangle fit over the yellow one?

 Please enable Java for an interactive construction (with Cinderella).
a0 a1 a2 a3 a4
b0 b1 b2 b3 b4
c0 c1 c2 c3 c4
d0 d1 d2 d3 d4
e0 e1 e2 e3 e4
f0 f1 f2 f3 f4
du er her g1 g2 g3 g4
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