Geometry:2-8
InformalParagraphProof
Name:______________________
Date:_______________________
Notes:
SegmentAdditionPostulate
P.8)IfBis_________________AandC,thenAB+BC=AC.IfAB+BC+AC,thenBis
_______________AC.
Theorem-aconjectureorstatementthatisprovenorshowntobe__________
Proof-a_______________________________thatusesdefinitions,postulates,and
previouslyprovedtheorems
Paragraph/InformalProof-explainswhyaconjectureistruefora
situationintheformofawritten___________________
1. __________________thetheoremorconjecturetobeproven
2. ___________giveninformation
3. __________________giveninformationifpossible
4. ___________whatneedstobeproven
5. ______________thesteps
AlineisformedsuchthatBisbetweenAandC,andAB=5cmandBC=7cm.
ProvethatAC=12cm.
Given:
Prove: