# Applications of pythagorean theorem

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##### Intros

##### Examples

###### Lessons

- An aeroplane flew from point A to point B, and then to Point C. How far is the plane from point A? Refer to the diagram below.

- A 2.5 m long ladder is put against a wall. If the base of the ladder is 1.25 m away from the wall, what is the length from the ground to the point where the top of ladder touches the wall?
- Which triangle has a longer perimeter?

Triangle A

Triangle B