Measuring and Classifying Angles

Identify the vertex and sides of the angle

• Vertex: B; Sides: ray BC & ray BA
• Vertex: A; Sides: ray AB & ray AC
• Vertex: C; Sides: ray CA & ray CB

Classify the angle.

• acute
• obtuse
• right
• straight

Classify the angle

• acute
• obtuse
• right
• straight

Classify the angle

• acute
• obtuse
• right
• straight

Which is NOT a name of this angle?

• <HJK
• <KJH
• <J
• <JHK

Classify the angle whose measure is 180^o

• acute
• obtuse
• right
• straight

Classify the angle whose measure is 34^o

• acute
• obtuse
• right
• straight

Classify the angle whose measure is 100^o

• acute
• obtuse
• right
• straight

Classify the angle whose measure is 90^o

• acute
• obtuse
• right
• straight

Classify the angle whose measure is 9^o

• acute
• obtuse
• right
• straight