Angles of Elevation and Depression

What is the imaginary line formed between the eyes of the observer and the object being observed.

• Angle of elevation

• Line of sight

• Horizontal

• Angle of depression

Base on the figure, Line IB represents the...

• Line of sight

• Observer

• Horizontal

• Object observed

60^o is the...

• angle of elevation from A

• angle of elevation from C

• angle of depression from B

• angle of depression from C

Base on the figure, Point I represents the...

• Line of sight

• Observer

• Horizontal

• Object observed

What is the name of the instrument used to measure the angle of elevation and angle of depression?

• Chiropractor

• Clinometer

• Protractor

• Compass

The angle of elevation is formed ________ the horizontal line

• above

• below

The angle of elevation is 39^o. What ratio would you use to solve for d?

• Sine

• Cosine

• Tangent

The angle of depression is formed _______ the horizontal line.

• above

• below

Angle x is the angle of _______. I would find it using the _____ ratio.

• elevation; tangent

• elevation; cosine

• depression; tangent

• depression; cosine

Which ratio would you use to find the length of side W?

• sin 68 = 70/w

• sin 68 = w/70

• tan 68 = 70/w

• tan 68 = w/70