warm-up
DESCRIPTION
Warm-Up. Geometry. Proving Triangles are Congruent. Learning Outcomes!. I will be able to use congruence postulates to write two column proofs for congruent triangles. Given. Alt. interior. Given. Vertical. ASA. Given. MO=OQ. O is the midpt of NP. NO=OP. Vertical angles. SAS. - PowerPoint PPT PresentationTRANSCRIPT
Warm-Up
Geometry
Proving Triangles are Congruent
Learning Outcomes!
I will be able to use congruence postulates to write two column proofs for congruent triangles.
GivenAlt. interior
GivenVerticalASA
GivenMO=OQ
O is the midpt of NPNO=OP
Vertical angles SAS
E
D
C
B
A
4. _________________ 4. ABC EDC
3. _________________3. ACB ECD
2. defintion of midpoint2.___________________
1. Given1. A EC is midpoint of BD
ReasonsStatements
16. Complete the following proof.
Given: ∠A ≅∠E and C is midpoint of BDProve: ∆ABC ≅∆EDC
BC=CD
Vertical anglesAAS
Homework
Pg. 216: 20, 22-25 and pg. 224: 19-22, 32-37