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Worksheets

Right Triangle Trig Ratios Missing Angles and Sides

Total questions: 9

Worksheet time: 9mins

Name
Class
Date
1.

What is the acronym to help you remember the ratios to use in trigonometry?

a)

RIGHTANG

b)

SOHCAHTOA

c)

SHOCHATOA

2.

What can you find with trig ratios?

a)

Missing sides

b)

missing angles

c)

area of a triangle

d)

missing sides, angles and area of a triangle

3.

What does SOH stand for

a)

hypotenuse over opposite

b)

adjacent over opposite
opposite over adjacent

c)

opposite over hypotenuse

d)

adjacent over adjacent

4.

Choose the correct ratio.

a)

sinZ=5/13

b)

sinX=5/13

c)

cosX=13/12

d)

tanZ=12/5

5.

What is the length of the adjacent side?

a)

8

b)

15

c)

17

6.

What is the side across from the right angle called?

a)

Leg

b)

Pythagoras

c)

Hypotenuse

d)

Altitude

7.

What is the ratio for sine?

a)

O/H

b)

H/A

c)

H/O

d)

O/A

8.

What is the ratio for cosine?

a)

H/A

b)

O/A

c)

A/H

d)

A/O

9.

What can you find with trig ratios?

a)

Missing sides

b)

missing angles

c)

area of a triangle

d)

missing sides and angles