Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...

What is the formula for the Pythagorean theorem Posted: March 15, 2026 | Last updated: March 15, 2026 Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the ...