# Probability of Obtuse triangle in a Square

- Author:
- michael.andrejkovics

- Topic:
- Probability, Square

Point P is chosen at random from the interior region of a square. Join point P to the bottom two vertices. What is the probability that the resulting triangle is obtuse? Use this applet to explore the possibilities and come up with an answer. Do NOT hit the "spoiler" button until you are ready, it WILL give the entire problem away.

## Probability of Obtuse Triangle in a Square

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