Find Missing Angles Using Trig

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 32°

• 44°

• 61°

• 50°

Find the measure of the angle.  Round to the nearest tenth. 

• 30.8

• 32.1

• 34.3

• 36.9

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 49°

• 57°

• 45°

• 54°

Find the missing angle. Round answers to the nearest whole degree.

Find the measure of the angle.  Round to the nearest tenth. 

• 66.4

• 63.4

• 47.8

• 69.4

Choose the correct ratio.

• sin^-1(9/20)

• cos^-1(9/20)

• tan^-1(9/20)

• cos^-1(20/9)

Solve for the missing angle.

• 50

• 0.053

• 36.9

• 95

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 33°

• 49°

• 39°

• 41°

Find the measure of the missing angle.

• 49^o

• 50^o

• 41^o

• 33^o