Geometry, Types of Angles

This is what kind of angle?

• obtuse

• right

• straight

• acute

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC

Which angle is a linear pair with\angle1 ?

What is the value of x?

• 37

• 72

• 108

• 18

Which angle is a linear pair with \angle5 ?

∠7 and ∠8 are _______________

• Vertical

• Nothing

• Adjacent

• Supplementary

What type of angles are these? (select 3)

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles