The Pythagorean Theorem is used to calculate the hypotenuse (i.e longest side) in a right angled triangle. The hypotenuse is the line opposite the right angle.
The equation 'Hypotenuse² = Opposite² + Adjacent² ' is used to find out the length of the hypotenuse.
For Example: Opp=6cm Adj=4cm
hyp² = 6² + 4²
hyp² = 36 + 16
hyp² = 52
hyp = (square root of) 52
hyp = 7.21cm
Hope that helps =]
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Yes Pythagoras' theorem can be used to find the interior diagonal of a cube for example.
You can use pythagorean theorem twice to find the diagonal of a cube
pythagorean theorem was named from a greek mathemition called pythagorus (I think that's how you spell it)
The difference in the distance formula and the pythagorean theorem is that the distance formula finds the distance between two points while the pythagorean theorem usually finds the hypotenuse of a right triangle.
Pythagoras