Pythagoras’ theorem
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Pythagoras’ theorem
The squares on the two shorter sides sum to the square on the hypotenuse.
Finding a shorter side
Subtracting squares instead of adding when the hypotenuse is already known.
The distance between two points
The straight-line distance between two coordinates as the hypotenuse of the.
Testing for a right angle
The converse of Pythagoras.
Pythagoras in three dimensions
The diagonal of a cuboid found by two right-angled triangles in turn.
Practice
Practice
Pythagoras’ theorem
The squares on the two shorter sides sum to the square on the hypotenuse.
PracticeFinding a shorter side
Subtracting squares instead of adding when the hypotenuse is already known.
PracticeThe distance between two points
The straight-line distance between two coordinates as the hypotenuse of the.
PracticeTesting for a right angle
The converse of Pythagoras.
PracticePythagoras’ theorem review
Hypotenuses, shorter sides and cuboid diagonals, built on Pythagorean triples.