Geometry Proofs

In a geometric proof, reasons on the _____ side

• Left

• Right

• transative

• POE

In a geometric proof, statements go on the ____ side

• left

• right

• transative

• POE

If a is related to b and b is related to c then a is related to c

• transative property

• subtraction POE

• Given

• Definition of right angle

AB + BC = AC

• Angle addition postulate

• Segment addition postulate

• Definition of supplementary angles

• Transative property

• Definition of right angle

• Definition of supplementary angles

• Definition of angle bisector

• Definition of midpoint

Tags

CCSS.HSG.CO.A.1

• Definition of midpoint

• Definition of angle bisector

• Definition of segment bisector

• Definition of perpendicular lines

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.10

If m<1 + m<2 = 50 and m<2 = 10, then m<1 + 10 = 50

• Transitive property

• Substitution

• Definition of angle bisector

• Subtraction POE

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

m<AMX + m<XMB = m<AMB

• Segment addition postulate

• Angle addition postulate

• Definition of supplementary angles

• Definition of angle bisector

• Congruent

• transitive

• equal sign

• supplementary

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

When writing a proof start with ......

• The given

• Transative property

• Supplementary angles

• Subtraction POE

Tags

CCSS.HSA.REI.A.1

CCSS.HSG.CO.C.9