Combinations

Reflection
Rotation
Reflection

The blue triangle is a reflection of the yellow one; the green triangle is a rotation 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
g0 du er her g2 g3 g4
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