Right Triangle Apps

What is the cosine of angle P?

• p/q

• q/r

• p/r

• r/q

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral

Find x.

• 10

• √3

• 5

• 10√3

What is the length of x?

• 4√2

• 4

• 8

• 4√3

What is the length of y?

• 8√2

• 4√2

• 4

• 8

What is the value of x?

• 18√2

• 18

• 2√9

• 9√2

solve for x

• 5552363959656.

• 10

• 100

• 89

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 

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm