Combinations

Rotation
Reflection

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

Can you make the green triangle and blue triangle fit together to form a rectangle?

How about an isosceles triangle?

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 du er her
g0 g1 g2 g3 g4
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