unit3 review

Find the measure of the indicated angle.  

Which is the ratio of the opposite leg to the hypotenuse in a right triangle?

• sine
• cosine
• tangent
• secant

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? 

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

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

Which Trig function do you use?

• Sine
• Cosine
• Tangent

What is the value of x?

• 9.17
• 98.13
• 0.11
• 26.69

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 32°
• 44°
• 61°
• 50°