In the figure below, line x is parallel to line y. What is the measure of angle a?

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问题 In the figure below, line x is parallel to line y. What is the measure of angle a?

选项

答案137°

解析 The answer is 137°. The transversal crosses two parallel lines, so the angles made at the intersections will be identical. 43° corresponds to the supplementary angle of a on line y. Since 43° and a are supplementary angles, they must add up to 180°. Therefore, the answer is 137°.

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本试题收录于： GRE QUANTITATIVE题库GRE分类

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In the figure below, line x is parallel to line y. What is the measure of angle a?

GRE QUANTITATIVE

GRE

Ialwaysencouragesuchpeople,butIalsoexplainthatthere’sabigdifferencebetween"beingawriter"andwriting.

Scientistsmeasuredtheimpactthatpeoplehaveontheenviromentusingatermcalledcarbon"footprint".Thatfootprintreflect

IntriangleABCabove,if∠BADand∠ADBhavemeasuresof4n,∠ACBhasameasureofn,and∠DBChasameasureof45°,whatisthe

Theareaofarectangularflooris56squarefeet.Ifboththelengthandthewidthoftherectangularfloorareintegers,thel

Whatisthelengthofthehypotenuseof△ABC?(1)Thelengthsofthethreesidesof△ABCareconsecutiveevenintegers.(2)The

△RSTisisoscelesand∠RST=40°ColumnAColumnBThesumofthemeasuresofthe

Ifthelengthsoftwoofthesidesofatriangleare9and10,whichofthefollowingcouldbethelengthofthethirdside?Ⅰ.

Whatisthesumofthemeasuresoftheinterioranglesofadecagon(10-sidedpolygon)?

Aregularn-sidepolygonandaregular(n+1)-sidepolygonhave(2n+1)interioranglesintotal.QuantityA:Themedianof(2n+1)

HavingaBetterConversationHavingagoodconversationisdifficultnowadaysTraditional【L1】________mayalsoevolveintoan

什么叫预热火焰能率？

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减小几何模糊，正确的措施是

按照临床诊疗道德的最优化原则，医务人员不需要考虑的是()

患者，男，42岁。有多年饮酒史。喘逆上气，咯痰不爽，痰质稠、色黄，恶寒身热，无汗，舌红苔黄，脉浮滑而数。治疗应首选

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