Right Angle Triangles

What is the opposite side to <E?

• EF

• DF

• DE

What is the adjacent side to <D?

• EF

• DF

• DE

In relation to the angle θ, label the side marked a in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Find the length of b in this triangle.

• 31

• 36

• 60

• 62

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Which ratio represents the cos(θ)?

• x/y

• x/z

• y/x

• y/z

Find tan(θ).

• tan(θ) = 5/13

• tan(θ) = 12/13

• tan(θ) = 12/5

• tan(θ) = 5/12

if sin(x) = 52/65, find cos(x).

• cos(x) = 3/5

• cos(x) = 5/3

• cos(x) = 4/3

• cos(x) = 3/4

Which of the following is the correct acronym to help remember the three trigonometric ratios

• SOH COH TOA

• SAH COH TOA

• SOH CAH TOH

• SOH CAH TOA

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5