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Geometry- PreAP, Geometry Pre AP postulates Flashcards

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5118033267Supplementary AnglesAngles that add to 180 degrees. m<1+m<2=1800
5118033268Complementary AnglesTwo angles whose sum is 90 degrees. m<1+m<2=901
5118033269Linear PairA pair of adjacent angles whose noncommon sides are opposite rays. m<1+m<2=1802
5118033270Vertical AnglesA pair of opposite congruent angles formed by intersecting lines. m<1=m<23
5118033361Segment Addition Postulate (Seg. Add. Post)if B is between A and C, then AB+BC=AC 1+2=Total4
5118033363Angle Addition Postulatem5
5118033286Corresponding Angles (Postulate)Same side of the transversal, same place at the intersectors m<1 = m<26
5118033284Alternate Interior Anglesopposite side of transversal, both in interior. m<1 = m<27
5118033285Alternate Exterior AnglesOpposite side of transversal, both in exterior. m<1 = m<18
5118033287Same-Side Interior AnglesAngles on the same side of the transversal, in the interior. m<1 = m<2 = 1809
5118062080CongruenceIf 2 segments or angles whose measurements are equal10
5118033282Perpendicular LinesLines that form right angles. *negative reciprocal slopes. mxm11
5118077929Parallel Lines*Have the same slope. Use the new point for (x,y) and the same slope for m y-y=m(x-x) *solve for y to get y=mx+b12
5118033271Collinear PointsPoints that lie on the same line.13
5118033316Distance formula14
5118033315Mid point formula15
5118033317pythagorean theoremA²+B²=C²16
5118033278Conditional Statementq-p: If an insect is a butterfly, then it has 4 wings.17
5118033279ConverseSwitch the hypothesis and conclusion p-q: If an insect has 4 wings, then it is a butterfly.18
5118033280Inverse~q~p: If the insect is NOT a butterfly, then is does NOT have 4 wings.19
5118094601Contrapositive~q ~p Flips and negates20
5118100383Biconditionalp(if & only if)q All are true *original *converse *inverse *contrapositive21
5118033275Adjacent AnglesAngles that have a common side and a common vertex (corner point).22

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