Combinations

Reflection
Reflection
Rotation

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

Can you make the green 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 g1 du er her g3 g4
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