In the figure above, if, what is the value of r ? r =______

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问题

In the figure above, if

, what is the value of r ?
r =______

选项

答案112.5

解析 From the figure, note that r° + s° must equal 180°. Therefore

. Since you are also given in the question that

, you can conclude that

. Thus r =

= 112.5, and the correct answer is 112.5.
This explanation uses the following strategy.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation

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本试题收录于： GRE QUANTITATIVE题库GRE分类

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In the figure above, if, what is the value of r ? r =______

GRE QUANTITATIVE

GRE

Hismostimportant______wastheintroductionoftheseminarymethodofinstructionforadvancedstudents.

BythetimeIfinishedhighschool,myinterestinanimalshadgrown,andenrolledatauniversitytostudybiology.Ilearneds

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

Beforethejobofteachingcameintobeing,______.Teachers’salariesareraisedtodayinorderto______.

Themulti-billion-dollarWesternpopmusicindustryisunderfire.ItisbeingblamedbytheUnitedNationsforthedramaticris

Humanbeingshavealwayshadanabilitytoattendtoseveralthingsatonce.(78)Noriselectronicmultitaskingentirelynew:W

Whenthemixture______,itwillgiveoffapowerfulforce.

TheUnitedStateshaslongbeen______tobeamongthebestplacesintheworldforhighereducation.

Whatistheareaoftheshadedfigure?

Thenumbersinthelistaboveareorderedfromleasttogreatest.Ifthemedianisonegreaterthanthearithmeticmean,whatis

其辨证为若急躁易怒，大便干燥难解，宜加

关于热原，叙述正确的是

当采用普通碳素结构钢进行钢梁制造焊接时，按规定其焊接环境温度不应低于()。

胜利建筑公司注册商标于2013年12月31日到期，下列说法中正确的是()。

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下列关于风险提示级别，对应正确的有()。

()是属于营养过剩型的膳食结构。

容易出现群体思维的是()

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