Adv Geometry Proofs

• Definition of right angle

• Definition of supplementary angles

• Definition of angle bisector

• Definition of midpoint

AB + BC = AC

• Angle addition postulate

• Segment addition postulate

• Definition of midpoint

• Transative property

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

• Transitive property

• Substitution

• Definition of angle bisector

• Subtraction

m<AMX + m<XMB = m<AMB

• Segment addition postulate

• Angle addition postulate

• Definition of supplementary angles

• Definition of angle bisector

• <2 complementary to <4

• <3 congruent to <4

• <1 congruent to <4

• <1 complementary to <4

What is the difference between a theorem and a postulate?

• A postulate is a statement that is assumed true without proof while a theorem is a true statement that can be proven.

• A theorem is a statement that is assumed true without proof while a postulate is a true statement that can be proven.

• Definition of supplementary

• Definition of complementary

• Definition of a right angle

• Definition of perpendicular

If two adjacent angles form a right angle, then _________.

• They are complementary angles

• The lines are perpendicular

• They are supplementary angles

• they are congruent angles