Angles of Elevation & Depression

Solve for the missing angle.

• 50.5 degrees
• 12.7 degrees
• 36.9 degrees
• 72.2 degrees

Solve for the misssing distance

• 18.9 m

• 19.5 m

• 47 m

• 27.5 m

The angle formed by a horizontal line and a line of sight to a point below the line is called the _________________.

• Angle of depression

• Angle of elevation

• Angle of sadness

• Angle of altitude

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is closest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

What type of triangles do you use the trig ratios with?

• any type
• right triangle
• obtuse triangle
• acute triangle

Which Trig function do you use?

• Sine
• Cosine
• Tangent

What is the first step when using trigonometry?

• Work out which ratio to use.

• Enter values into the calculator.

• Label the sides.

• Panic and skip to the next question.

Where would you label 'o'?

• Opposite the given angle.

• Opposite the right angle.

• The unknown side.

• The side that has a length already given.

Which one is the easy way to learn trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

In relation to the angle θ, label the side marked c in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite