Applying Ratios to Triangles

Find the measure of the indicated angle.

• 9.39
• 55.2
• 20.2
• 19.4

Find the measure of the smallest angle in a right triangle with sides measuring 9, 12, and 15.

• 43^o
• 35^o
• 53^o
• 37^o

Solve for the missing distance

• 18.9 meters
• 19.5 meters
• 47.2 meters
• 27.5 meters

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 nearest to the height of the lighthouse? 

• 23 feet
• 43 feet 
• 110 feet 
• 135 feet 

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

• 12.4 ft
• 11.3 ft
• 22.3 ft
• 49.1 ft

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

• 24/32
• 32/24
• 32/40
• 24/40

• 27/36
• 27/45
• 45/36
• 45/27

Which one is one of the easy ways to learn trigonometric ratios?

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