Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 11)
What does the term 'adjacent' refer to in the context of a right triangle and a given angle?
The side opposite the given angle
The side next to the given angle (not the hypotenuse)
The longest side of the triangle
The angle itself
解释
The adjacent side is next to the given angle, excluding the hypotenuse.