Monday 4/27 7th grade Classifying Angles

An angle that is exactly 90 degrees.

• complementary

• acute

• obtuse

• supplementary

An angle that is exactly 180^o.

• complementary

• acute

• obtuse

• supplementary

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Tags

CCSS.7.G.B.5

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Tags

CCSS.7.G.B.5

What does it mean if two angles are adjacent?

• They share a side and a vertex
• They are opposite each other across an intersection of two lines
• They share only a vertex, not a side
• none of the above

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

• x = 118
• x = 108
• x = 28
• x = 58

Tags

CCSS.7.G.B.5

Find the missing angle.

• 45
• 65
• 75
• 55

Tags

CCSS.7.G.B.5

Find the value of x.

• 15
• 16
• 18
• 19

Tags

CCSS.7.G.B.5

Find the missing angle.

• 41
• 32
• 51
• 31

Tags

CCSS.7.G.B.5