Chapter 24642.3x121x5¬904x125¬904x5¬88x5¬2243.x13x5¬1804x5¬180x5¬4544.26x110x5¬18036x5¬180x5¬545.4x11013x255¬1807x155¬1807x5¬175x5¬25Proving Angle RelationshipsPage 110Geometry Activity: Right Angles1.The lines are perpendicular.2.They are congruent and they form linear pairs.3.904.They form right angles.5.They all measure 90° and are congruent.Pages 111–112Check for Understanding1.Tomas; Jacob’s answer left out the part of /ABCrepresented by /EBF.2.Sample Answer: If /1>/2 and /2>/3,then /1>/3.3./1>/2 because they are vertical angles.m/15¬m/2655¬m/24.m/61m/85¬90m/61475¬90m/65¬43m/61m/71¬m/85¬180431m/71475¬180m/71905¬180m/75¬905.m/111m/125¬180x2412x255¬1803x295¬1803x5¬189x5¬63m/115¬x245¬6324 or 59m/125¬2x255¬2(63)25 or 1216. Given:/1 and /2 are supplementary,/3 and /4are supplementary,/1>/4Prove:/2>/3Proof:7.Given:VX#$bisects /WVY,VYbisects /XVZ.Prove:/WVX>/YVZProof:8.sometimes9.sometimes10. Given:Two angles form a linear pair.Prove:The angles are supplementary.Paragraph Proof:When two angles form alinear pair, the resulting angle is a straight angle
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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.