Reasoning in Algebra and Geometry

An angle that measures less than 90°

• Acute
• Obtuse
• Right
• Straight

Tags

CCSS.4.G.A.1

This is what kind of angle?

• right
• acute
• obtuse
• straight

Tags

CCSS.4.G.A.1

Which type of angle is pictured?

• Acute
• Right
• Obtuse
• Straight

Tags

CCSS.4.G.A.1

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

Tags

CCSS.7.G.B.5

What are complementary angles?

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

Tags

CCSS.7.G.B.5

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

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

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Tags

CCSS.7.G.B.5

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5