Solving Triangles Using Trig

Find the side length, BC.

• 15.4

• 9.4

• 7.4

• 6

Find the side length labeled with x.

• 5.2

• 3.5

• 6.9

Find the missing angle labeled with ?.

• 0.01

• 44.7

• 30

• 45.3

Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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All of the following could be used to find angle B, EXCEPT which one?

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Find the measure of the missing angle.

• 49^o

• 50^o

• 41^o

• 33^o

Find the missing side, labeled x.

• 81.9

• 57.4

• 142.8

• 50.5

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 

A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree.  The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse? 

• 7.5 ft 

• 15 ft 

• 26 ft 

• 30 ft