why I think geometry is HARD

Here are two classic geometry triangle and star polygon proofs that might be really hard at first! Do you think geometry is hard? Especially the geometry problems in the math olympiad or competitions? Well, I certainly think so and I will tell you why!

More geometry practice!
Proving Law of Sine & Cosine:    • Classic math proofs of the law of sin...  
Proving the Heron's formula:    • Heron's Formula Proof (the area of a ...  

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