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Chapter 2 Geometry Flashcards
N/A
16
Mathematics
10th Grade
09/24/2008

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Cards

Term
CONVERSE
Definition
FLIP IT!
Term
INVERSE
Definition
NOT IT!
Term
CONTRAPOSITIVE
Definition
FLIP AND NOT IT!
Term
BICONDITIONAL
Definition
IF AND ONLY IF
Term
HOW DO I PROVE THAT A BICONDITIONAL IS TRUE?
Definition
1) WRITE IT IN IF-THEN FORM
2) WRITE THE CONVERSE OF THE IF-THEN FORM
3) IF BOTH SENTENCES FROM #1 AND #2 ARE TRUE, THEN THE BI... IS TRUE!
Term
"~"
Definition
SYMBOL FOR "NOT IT"
Term
<---->
Definition
SYMBOL FOR A BICONDITIONAL
Term
LAW OF DETACHMENT
Definition
(1) IF ..., THEN ...
(2) SPECIFIC IF
(3) SPECIFIC THEN
Term
LAW OF SYLLOGISM
Definition
(1) IF A, THEN B
(2) IF B, THEN C
(3) IF A, THEN C
Term
SEGMENT ADDTION POSTULATE
Definition
AC = AB + BC

2 PIECES ADD UP TO THE WHOLE!
Term
ANGLE ADDITION POSTULATE
Definition
Term
REFLEXIVE PROPERTY
Definition
SAME THING ON BOTH SIDES!
7 = 7
AB = AB
Term
SYMMETRIC PROPERTY
Definition
FLIPPED ACROSS THE =
AB = CD, CD = AB
Term
TRANSITIVE PROPERTY
Definition
IF 2 THINGS = THE SAME THNG, THEN THEY ARE = !!
AB = CD AND EF = CD SO... AB = EF
Term
LINEAR PAIRS
Definition
ADD UP TO 180 (ARE SUPPLEMENTARY)
Term
VERTICAL ANGLES
Definition
ARE CONGRUENT (THE SAME)
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