Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 43)
In a right triangle, the angle of elevation from point A to point B is the angle between the horizontal and which line?
The line from A to B
The vertical line from A
The vertical line from B
The horizontal line from B
설명
The angle of elevation is measured relative to a horizontal line, up to the line of sight to the point