Right Triangle Trig Review

What is the ratio for cosine?

• H/A

• O/A

• A/H

• A/O

Which Trig function do you use?

• Sine

• Cosine

• Tangent

What is the value of x?

• 6 < x < 30

• 21.63

• 13.42

• 30 < x < 6

Classify a triangle with side lengths 20, 25, and 15.

• Acute

• Right

• Obtuse

• Equilateral

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

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