37.Sample answer: Some toys use pieces to formpolygons. Others have polygon-shaped pieces thatconnect together. Answers should include thefollowing.•triangles, quadrilaterals, pentagons•38.A square has four congruent sides. If one sideremains to be fenced, three sides have beenfenced. So each side has length }13}(3x) or xmeters.39.D; 5n155¬105n5¬5n5¬1112n5¬1121510Page 50Maintain Your Skills40.Always; true by the definitions of linear pairs andsupplementary angles.41.Sometimes; angles with measures 100 and 80 aresupplementary but two right angles are alsosupplementary.42.AM##$bisects/RAL, so /MAR>/MAL.m/MAR5¬m/MAL2x1135¬4x232x1165¬4x165¬2x85¬xm/RAL5¬m/MAR1m/MAL5¬2x11314x2 35¬2(8)11314(8)23 or 5843.AM#bisects/RAL, so /MAR>/LAMand m/RAL5¬2?m/MAR.x1325¬2(x231)x1325¬2x262x1945¬2x945¬xm/LAM5m/MAR5¬x2315¬9423156344.AS#bisects/MAR, so /RAS>/SAM.
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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.