Geometric Proofs.notebook
October 14, 2011
Get out to Discuss: WS 2.5 Algebraic Proofs (2­sided)
WARM ­ UP : Attempt to write a proof
STEPS
1) M is between N amd O and NM = 2x, MO = 3x ­9
and NO = 4x ­4
2)
REASONS
1) Given
2) Seg. Add. Post.
L.T. : Write two­column proofs. Prove geometric theorems by
using deductive reasoning.
1
Geometric Proofs.notebook
October 14, 2011
2.6 : Geometric Proofs
2
Geometric Proofs.notebook
October 14, 2011
Theorem ­ A statement (usually a conditional) that you must prove. Once
proven, it can be used to prove other statements (theorems).
3
Geometric Proofs.notebook
October 14, 2011
PRACTICE) BOTH SIDES 4
Geometric Proofs.notebook
October 14, 2011
5
Attachments
p112.pdf
p110.pdf
p111.pdf