Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 36)
In a right-angled triangle, which side is *adjacent* to a given angle (other than the right angle)?
The hypotenuse
The side opposite the angle
The side next to the angle, not the hypotenuse
The longest side
Explication
The adjacent side is next to the angle but excludes the hypotenuse.