Right Triangle Jenn Gray

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral

Find x.

• 4

• 2

• √3

• 2√2

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 are u and v in this 30-60-90 triangle?

• v = 2√3 u = 6

• v = 4 u = 4√3

• v = 4 u = 4√2

• v = 4√3 u = 8√3

solve for x

• 5552363959656.

• 10

• 100

• 89

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

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

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

• sine

• cosine

• tangent

• secant