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Special triangles and triplesTechnique

Technique

Special triangles and triples

Know the shape, then scale it to the given side

3 min 3 steps

Some right triangles show up so often they've earned a reputation. So have I, but theirs is better.

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Calls on

Special right trianglesFactRead all three sides from one side and one angle
Pythagorean theorem and triplesFactSquare the legs, add, and spot the triples on sight

Used by

Pythagorean theorem and trig ratiosTacticTurn one ratio and one side into the whole triangle