Angle of Elevation & Depression

The _______ is an imaginary line that connects the eye of an observer to the object being observed.

• A. line of sight

• B. angle of depression

• C. angle of elevation

• D. none of these

The _______ is the angle from the horizontal to the line of sight of the observer to the object below.

• A. line of sight

• B. angle of depression

• C. angle of elevation

• D. none of these

The _______ is the angle from the horizontal to the line of sight of the observer to the object above.

• A. line of sight

• B. angle of depression

• C. angle of elevation

• D. none of these

Which angle represents an angle of elevation?

• A. ∠BOX

• B. ∠BOS

• C. ∠SXO

• D. ∠XSO

Which angle represents an angle of depression?

• A. ∠BOX

• B. ∠BOS

• C. ∠SXO

• D. ∠XSO

If the object is at S and 𝑂𝐵̅̅̅̅ is the horizontal line, what segment represents the line of sight?

• XO

• OB

• OS

• XS

A flagpole casts a shadow of 5 m on the ground and from this point, the angle of elevation of the sun is 60°. What trigonometric ratio/equation can be used to solve for the height of the flagpole?

• A

• B

• C

• D

When the kite is 120 ft. high, it makes an angle of 30° with the level ground. What trigonometric ratio/equation can be used to solve for the length of the string?

• A

• B

• C

• D

When the kite is 120 ft. high, it makes an angle of 30° with the level ground. How long is the string?

• A. 2.4 ft.

• B. 24 ft.

• C. 240 ft.

• D. 2,400 ft

If the angle of elevation of a 10-meter transmitter is 60°, find the length of the shadow on the level ground.

• A. 5.19 m

• B. 5.70 m

• C. 5.77 m

• D. 5.80 m