Special Right Triangle and Trigonometric Ratio

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

From ∠C, what side is AB?

• Opposite

• Adjacent

• Hypotenuse

What is the cosine of angle P?

• p/q

• q/r

• p/r

• r/q

What would you use to solve for a?

• sin

• cos

• tan

• Pythagoren Theorem

which of the following is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28v

• tan 40 = w/28

• sin 40 = 28/w

Solve for x.

• 24.20

• 4.92

• 290.4

• 29.75

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

Solve for d.

• 18.9

• 19.5

• 47

• 27.5