Angles/Triangles Quiz

Which of these is NOT AN ACTUAL ANGLE in the image?

• ∠ACD

• ∠BCE

• ∠ECB

• ∠DBC

• ∠ECD

Which are pairs of vertical angles?

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

Which are pairs of adjacent angles?

• ∠COB & ∠DOA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOC

Which of the following angle pairs are adjacent? (Choose ALL that apply)

• 
• 
• 
• 

These two angles are adjacent to each other. Calculate the missing measurement.

Mathematical Equivalence

ON

2 angles are supplementary. One angle measures 48 degrees. What is the measure of the other angle?

• 42

• 52

• 142

• 132

What is an example of a pair of complementary angles?

• 12° and 55°

• 11° and 169°

• 17° and 73°

• 89° and 11°

What is the value of "a"?

Mathematical Equivalence

ON

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

What is a possible third side to a triangle with side lengths of 13 and 4?

• 9

• 12

• 8

• 5