Chapter 1 Points, Lines, Planes and Angles
Chapter 1 Points, Lines, Planes and Angles
Chapter 1 Points, Lines, Planes and Angles
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Geo 9 Ch 1-2.2 172-2 Proof Properties Memorize SOON!!!!!Properties of EqualityMake file cards1. ADDITION PROPERTYIf a = b <strong>and</strong> c = d, then __________________________________________________2. SUBTRACTION PROPIf a = b <strong>and</strong> c = d, then ___________________________________________________3. MULTIPLICATION PROPIf a = b, <strong>and</strong> c exists, then ________________________________________________4. DIVISION PROPIf a = b, <strong>and</strong> c5. SUBSTITUTION0, then _________________________________________________If a = b, then either may replace the other in any equation.6. REFLEXIVEa = a7. SYMMETRIC PROPIf a = b, then __________________________________________________________8. TRANSITIVE PROPIf a = b, <strong>and</strong> b = c, then _________________________________________________Properties of Congruence1. REFLEXIVE PROP: DE DE
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