Trig word problems

A 10 ft. tree creates a shadow that is 15 ft. long. Find the angle of elevation of the sun. 

• 34 degrees
• 56 degrees
• 72 degrees
• 15 degrees

A power line stretches from the top of a building to the ground. The power line is 100 ft. long and the building is 50 ft. tall. What is the horizontal distance from the end of the power line to the building? 

• 220.3 ft. 
• 100 ft.
• 86.6 ft. 
• 73.8 ft. 

• $\frac{4}{3}$

• $\frac{3}{4}$

• $\frac{5}{3}$

• $\frac{4}{5}$

Solve for the missing angle. Round to the nearest tenth.

• A

• B

• C

• D

• $\frac{3}{4}$

• $\frac{3}{5}$

• $\frac{4}{5}$

• $\frac{4}{3}$

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

Find the measure of the missing angle.

• 49^o
• 50^o
• 41^o
• 33^o

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

A 13 ft. ladder is leaning against the house. The top of the ladder touches the house at 10 feet above the ground. How far away is the bottom of the ladder from the house?

• 10 feet

• 7.5 feet

• 8.3 feet

• 3.8 feet

A tourist views a deer from a height of 45 feet.  The horizontal distance between the tourist and the deer is 130 feet.  How many degrees should the tourist tilt his camera down to photograph the deer? Round your answer to the nearest degree.  

• 19 degrees
• 45 degrees
• 71 degrees
• 138 degrees