Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 2 - No. 31)
What is the relationship between the adjacent side, opposite side, and hypotenuse in a right-angled triangle?
Adjacent - Opposite = Hypotenuse
Adjacent + Opposite = Hypotenuse
Adjacent² + Opposite² = Hypotenuse²
Adjacent² - Opposite² = Hypotenuse²
Explicació
This is the Pythagorean theorem.