Solving Right Triangles with Trigonometry

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Solve for x. Round to the nearest tenth.

• 15.3

• 16.6

• 24.1

• 24.3

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

Solve for the missing angle

• 50.5 degrees

• 12.7 degrees

• 36.9 degrees

• 72.2 degrees

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

Set up an equation that could be used to solve for the variable.

• 
• 
• 
• 

What is tan(A)?

• X / Y

• Y / X

• Z / Y

• X/ Z

Find the measure of angle A.

• 24

• 90

• 66

• 42

Find the measure of angle B.

• 24

• 90

• 66

• 42