gre数学考试关于几何的重点试题(二).

　　考生如果觉得复习gre数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对gre数学考试几何题型方面的典型题目及答案。

　　11.In the rectangular coordinate system, line k passes through the point (0,0) and (4,8); line m passes through the points (0,1) and (4,9).

　　The slope of line k

　　The slope of line m

　　答案：C

　　12.In the stop sign shown in the figure above, all sides have equal length and all angles have equal measure. If the figure could be rotated 225 degrees in a clockwise direction, point G would be in the position of point.

　　A.I

　　B.J

　　C.K

　　D.L

　　E.M

　　答案：B

　　13.What is the ratio of the perimeter of a pentagon with each side of length 6 to the perimeter of an octagon with each side of length 6?

　　A.5/6

　　B.4/5

　　C.3/4

　　D.2/3

　　E.5/8

　　答案：E

　　14.A circular flower bed is inscribed in a flat, square garden plot that measures x meters on each side.

　　The fraction of the garden plot area that is not part of the flower bed if x=50 meters

　　The fraction of the garden plot area that is not part of the flower bed if x=45 meters

　　答案：C

　　15.The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10. Which of the following cannot be the total surface area, in square centimeters, of two faces of R?

　　A.96

　　B.120

　　C.128

　　D.160

　　E.180

　　答案：E

　　16.The figure above shows a large square formed by fitting three L- shaped tiles and one small square tile together. If a rectangular floor 10 feet by 12 feet is to be tiled in large squares of this design, how many L-shaped tiles will be needed?

　　A.810

　　B.405

　　C.270

　　D.135

　　E.45

　　答案：A

　　17.A certain rectangle has perimeter 54. If the ratio of the length of the rectangle to the width is 5 to 4, what is the length of the rectangle?

　　A.30

　　B.27

　　C.24

　　D.18

　　E.15

　　答案：E

　　18.In the rectangular coordinate system above, the coordinates of points A and B are shown. If the dotted lines represent a second pair of coordinate axes with origin at A, and if the scale is the same on both pairs of axes, what are the coordinates of point B with respect to the second pair of axes?

　　A.(-33,88)

　　B.(33,48)

　　C.(33,-48)

　　D.(97,88)

　　E.(97,-88)

　　答案：C

　　19. If the perimeter of the rectangle above is 36, then l=

　　A.9

　　B.14

　　C.16

　　D.28

　　E.32

　　答案：B

　　20.If the perimeter of a triangle is 18, then the length of one of the sides cannot be

　　A.1

　　B.3

　　C.6

　　D.8

　　E.9

　　答案：E

　　每到题目都是关于gre数学考试的典型题目，考生可以根据题目来复习知识点，这样更有针对性。