Solving Right Triangle Sides

c

b

a

Adjacent

Opposite

Hypotenuse

c

b

a

hypotenuse

Identify the major players:

x = ​ (a)  

11 = ​ (b)  

60 = ​ (c)  

• opposite

• adjacent

• theta (angle)

• hypotenuse

Important Angle = ​ (a)  

Opposite =​ (b)  

Adjacent =​ (c)  

Hypotenuse = ​ (d)  

• 63

• x

• 19

• Not used

Using the information given, solve for side a.

• 8.2

• 2.8

• 1.1

• 1.0

Using the information given, solve for side c.

• 3.2

• 2.8

• 8.8

• 1.0

To find a missing angle when given two sides, you must use ______ 

• Trigonometric Functions 

• Trigonometric Rations 

• Inverse Trigonometric Functions

• Pythagorean Theorem

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

• 
• 
• 
• 

Find the measure of the missing angle.

• 64^o

• 26^o

• 61^o

• 8^o

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

• 49°

• 57°

• 45°

• 54°