Geometry HW

What is Reason and Statement?

• - Reflexive Property

  - ∠ACB ≌ ∠ECD

• - Definition of Midpoint

  - ∠ACB ≌ ∠ECD

• - Segment Bisector

  - ∠BCA ≌ ∠DCE

• - Reflexive Property

  - ∠BCA ≌ ∠DCE

A segment bisector cuts a segment into two congruent

• Segments!

• Angles

• Mysteries

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

State if the triangles are congruent. If they are, state how you know.

• SSS

• AAS

• AA

• Not Congruent

If ∆ABC ≅∆DEF, what side is congruent to CA?

• FE

• DE

• FD

• DF

If ∆ABC ≅∆DEF, which of the following is not a pair of congruent angles?

• A and D

• A and E

• E and B

• F and C

Describe the angle relationship.

• Same Side Interior

• Corresponding

• Alternate Interior

• Alternate Exterior

• <IAD and <EAD are right angles

Rigid Motions preserve ...

• angle measure and side lengths

• angle measure

• side lengths

• they do not preserve anything

Which angles are congruent to m∠5? (select all that apply)