Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 3)
In a right triangle, what is the relationship between the acute angles?
They are supplementary
They are complementary
They are equal
They are always obtuse
הֶסבֵּר
The two acute angles in a right triangle always add up to 90 degrees (complementary).