Question

# Pythagoras theorem is used in

- Triangle law
- Square law
- Parallelogram law
- None of the above

Hint:

### Right angled traingle theoram

## The correct answer is: Triangle law

- Pythagoras theorem is basically used to find the length of an unknown side and the angle of a triangle.
- Pythagoras' theorem only works for right-angled triangles.

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