Theorems Triangles

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Find the measure of angle A.

• 75^o

• 60^o

• 30^o

• 38^o

If all three angles are exactly the same measure, how big is each angle?
Hint:    x + x + x  = 180

• 180 degrees
• 90 degrees
• 50 degrees
• 60 degrees

How many DEGREES are in a triangle?

• 180
• 6
• 3
• 10

What is the measure of angle x?

• 45
• 60
• 65
• 75

Which of the following terms best describes Angle d?

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

• A
• B
• C
• D

Find the value of x.

• A
• B
• C
• D

Find the value of x.

• A
• B
• C
• D

Find the value of y. 

• y=2
• y=18
• y=8.22
• y=9.33