We have a triangle on Poincaré half-plane model $\displaystyle \mathbb{R} \times (0, \infty)$ with vertices $\displaystyle (0, 7), (0, 5), (3, 4)$. What are the values of the inner angles?

Sorry on my english?

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- Nov 23rd 2009, 10:37 AMstrelcPoincaré half-plane model
We have a triangle on Poincaré half-plane model $\displaystyle \mathbb{R} \times (0, \infty)$ with vertices $\displaystyle (0, 7), (0, 5), (3, 4)$. What are the values of the inner angles?

Sorry on my english?