36.125¬xÏ2w}Ï122w}5¬x}Ï122w}? }ÏÏ2w2w}5x}122Ï2w} 5¬x6Ï2w5¬xy5¬xy5¬6Ï2w37.x514Ï3wy52(14) or 2838.2052y105yx5¬yÏ3wx5¬10Ï3w39.Let ,be the length of the model.5}7,8}5¬}3960}90,5¬78(36)90,5¬2808,5¬31.2The length of the model is 31.2 cm.40a./1>/240b.AAS40c.FwXw>GwXw40d.CPCTC40e./4>/340f.Isosceles Triangle Theorem41.}6x}5¬}3452}42x5¬6(35)42x5¬210x5¬542.}3x}5¬}455}3(45)5¬5x1355¬5x275¬x43.}1127}5¬}2x4}12x5¬17(24)12x5¬408x5¬3444.}2346}5¬}1x5}24(15)5¬36x3605¬36x105¬x45.}1123}5¬}4x8}12x5¬13(48)12x5¬624x5¬5246.}1x8}5¬}58}8x5¬18(5)8x5¬90x5¬11.2547.}2185}5¬}7x}28x5¬15(7)28x5¬105x5¬3.7548.}4x0}5¬}236}26x5¬40(3)26x5¬120x5¬}6103}The Law of SinesPages 380–381Check for Understanding1.Felipe; Makayla is using the definition of the sineratio for a right triangle, but this is not a righttriangle.2.Sample answer: Let m/D565,m/E573, and d515. Then }sin1655°}is the fixed ratio or scalefactor for the Law of Sines extended proportion.The length of eis found by using }sin1655°} 5 }sine73°}.The m/Fis found by evaluating 1802(m/D1m/E). In this problem m/F542. The length of fis found by using
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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.