GRE数学几何重点例题(4)

 来源:    要点:GRE数学  
编辑点评: 继算术和代数之后,我们开始来攻坚GRE几何部分啦。小编给大家准备了GRE中典型的几何题型,希望能够帮助大家轻松应付GRE几何题。

继算术和代数之后,我们开始来攻坚GRE几何部分啦。小编给大家准备了GRE中典型的几何题型,希望能够帮助大家轻松应付GRE几何题。

26.Three solid cubes of lead, each with edges 10 centimeters long, are melted together in a level, rectangular shaped pan. The base of the pan has inside dimensions of 20 centimeters by 30 centimeters, and the pan is 15 centimeters deep. If the volume of the solid lead is approximately the same as the volume of the melted lead, approximately how many centimeters deep is the melted lead in the pan?

A.2.5

B.3

C.5

D.7.5

E.9

答案:C

27.In the figure above, if x, y, and z are integers such that x

A.59 and 91

B.59 and 135

C.91 and 178

D.120 and 135

E.120 and 178

答案:C

28.In the rectangular coordinate system above, if P, not shown, is a point AB and if the x-coordinate of P is 1, what is the y-coordinate of P?

A.4/3

B.3/2

C.7/3

D.5/2

E.8/3

答案:A

29.There are six marked points on the circle above. How many different lines can be drawn that contain two of the marked points?

A.5

B.6

C.12

D.15

E.30

答案:D

30.In the figure above, ABCD is a square. What are the coordinates of point B?

A.(-4,2)

B.(-2,4)

C.(-2,6)

D.(4,-6)

E.(6,-2)

答案:C

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