Proofs

Find HG.

• 8
• 9
• 10
• 11

Tags

CCSS.2.MD.B.5

This point divides a line segment into 2 equal parts.

• point
• vertex
• midpoint
• segment

Tags

CCSS.HSG.CO.D.12

CCSS.HSG.GPE.B.6

Find m∠ABC

• 45^o
• 60^o
• 105^o
• 15^o

Tags

CCSS.4.MD.C.7

Find m∠PQR

• 20^o
• 160^o
• 180^o
• 140^o

Tags

CCSS.7.G.B.5

What is the justification (reason)?

• reflexive property
• definition of segment bisect
• definition of a midpoint
• substitution property

Tags

CCSS.HSG.CO.C.10

Identify the  missing statement or reason

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

Tags

CCSS.HSG.SRT.B.5

If M is the midpoint of AB, then AM = MB

• Addition POE
• Def. of Midpoint 
• Reflexive POE
• Symmetric

Tags

CCSS.HSG.CO.C.10

If A = B, then 8A = 8B

• Multiplication POE
• Division POE
• Reflexive POE
• Addition POE

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

If <1 and <2 are complementary, then m<1 + m<2 = 90

• Addition POE
• Subtraction POE
• Def of right angle
• Def of Complementary Angles

Tags

CCSS.7.G.B.5

If X = Y, then X + 5 = Y + 5

• Addition POE
• Subtraction POE
• Reflexive POE
• Transitive POE

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3