Right Triangles and Trig Review

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

What is the value of tan(60°)?

• 0.5

• 0.577...

• 0.866...

• 1.732...

• 4 units

• 4\sqrt{3} units

• 8 units

• 8\sqrt{3} units

What is the correct equation to solve for x?

• tan (45) = x/13

• cos (45) = x/13

• sin (45) = 13/x

• sin (45) = x/13

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

 Find cosC

• 16/34

• 16/30

• 30/34

• 34/16

Which trig function would you use with this diagram?

• ^Sin

• ^Cos

• ^Tan

• ^Wha??