Applications of pythagorean theorem

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Intros

Lessons

i) What is Pythagorean Theorem?

ii) How to use Pythagorean Theorem to find sides of a triangle?
What are Pythagorean Triples?

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

Practice

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