Angles Intro

This is what kind of angle?

• acute

• obtuse

• right

• straight

This is what kind of angle?

• obtuse

• right

• straight

• acute

This is what kind of angle?

• right

• acute

• obtuse

• straight

Right, acute, or obtuse?

• Acute

• Right

• Obtuse

One way this angle can be named is:

• ∠ABC

• ∠ACB

• ∠BCA

• ∠CAB

This angle is written as......

•  ∠ABC

•  ∠ACB

• ∠BCA

• ∠CAB

What is the measure of ∠CAD?

• 30^o

• 90^o

• 60^o

• 45^o

Right, acute, or obtuse?

• Right

• Acute

• Obtuse

What does it mean if two lines are perpendicular?

• The never intersect

• They intersect

• They intersect and form a right angle

• I don't know

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither