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
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The adjacent side is next to the angle but excludes the hypotenuse.