30.Never; the intersection of two lines is a point.31.Always; if Pis the midpoint of XwYw,then XwPw>PwYw.By definition of congruent segments,XP5PY.32.sometimes; if M,X, and Yare collinear33.sometimes; if the points are collinear34.Always; there is exactly one line through Qand R.The line lies in at least one plane.35.sometimes; if the right angles form a linear pair36.Always; the Reflexive Property states that /1>/1.37.Never; adjacent angles must share a commonside, and vertical angles do not.38. Given:Mis the midpoint of AwBwand Qis themidpoint of AwMw.Prove:AQ5}14}ABProof:If Mis the midpoint of AwBwAM5}12}(AB). Since Qis the midpoint of AwMw,AQ5}12}AMor }12}1}12}(AB)25}14}AB.39.Distributive Property40.Division Property41.Subtraction Property42.Transitive Property43. Given:5 522}12}xProve:x526Proof:44. Given:x215Prove:x54Proof:45. Given:AC5AB,AC54x11,AB56x213Prove:x57Proof:46. Given:MN5PQ,PQ5RSProve:MN5RSProof:47.Reflexive Property48.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.