Identifying Trigonometric Right Triangle

What is the length of the side adjacent to ∠A?

• 30

• 40

• 50

What is the length of the side opposite ∠Z?

• 16

• 30

• 34

What is the length of the side adjacent to ∠C?

• 30

• 40

• 50

What is the length of the side adjacent to ∠X?

• 7

• 24

• 25

Identify the trig ratio that may be used to find the marked unknown side.

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Identify the trig ratio that may be used to find the marked unknown side.

Choose the correct ratio.

• sin^-1(12/29)

• cos^-1(12/29)

• tan^-1(12/29)

• tan^-1(29/12)

Match the following parts of the right triangle.

• 57"

• adjacent leg

• x

• hypotenuse

• no information

• reference angle

• 55º

• opposite leg