13.1 Warmup

What are supplementary 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

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

Find the missing angle.

• 60
• 70
• 50
• 140

Tags

CCSS.7.G.B.5

Find what the value of x.

• 118
• 108
• 28
• 58

Tags

CCSS.7.G.B.5

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
•  Correpsonding
• Vertical Angles

Tags

CCSS.8.G.A.5

Name the corresponding angle to angle 4.

• angle 8
• angle 6
• angle 2
• angle 5

Tags

CCSS.8.G.A.5

Are the triangles congruent, if yes, why?

• SAS
• ASA
• AAS
• Not congruent

Tags

CCSS.HSG.SRT.B.5

What is the "statement" for step 2 of the proof?

• AD=AD
• AD=DA
• HD=DN
• HA = AN

Tags

CCSS.HSG.SRT.B.5

Identify the  missing statement or reason

• Reflexive Property
• Definition of Midpoint
• Given
• Vertical Angles Theorem

Tags

CCSS.HSG.SRT.B.5

What is the "statement" for step 3 of the proof? 

• ∡EDA≅∡DCB
• ∡AED≅∡BEC
• DE=CE
• ∡AED≅∡CED

Tags

CCSS.HSG.SRT.B.5