trig

You are on a ship at sea. You see a lighthouse in the distance. You know the lighthouse is 175 feet tall. You measure the angle of elevation to the top of the lighthouse at 5^o. How far are you from the bottom of the lighthouse?

• 2000.3 feet

• 2007.3 feet

• 1997.9 feet

• 2134.8 feet

What type of triangle is the context of our study of trigonometry?

• right triangle
• isosceles triangle
• scalene triangle
• acute triangle

Which side is opposite angle x?

• 1
• 2
• 3

What is the ratio for Cosine?

• Opp/Hyp
• Opp/Adj
• Adj/Opp
• Adj/Hyp

What is the ratio for Tangent

• Opp/Adj
• Adj/Opp
• Opp/Hyp
• Hyp/Opp

Find x.

• 42.9

• 21

• 33.3

• 21.9

Find x.

• 8.5

• 31.9

• 8.8

• 34.2

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

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.  Which of these is closest to the height of the lighthouse? 

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

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x