gre数学考试关于几何的重点试题(二)
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.
http://www.examw.com/gre/Files/2011-9/29/10866362.jpg
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
gre数学考试关于几何的重点试题(二)
</p> 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?
http://www.examw.com/gre/Files/2011-9/29/10865212.jpg
A.810
B.405
C.270
D.135
E.45
答案：A
gre数学考试关于几何的重点试题(二)
</p> 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?
http://www.examw.com/gre/Files/2011-9/29/10867146.jpg
A.(-33,88)
B.(33,48)
C.(33,-48)
D.(97,88)
E.(97,-88)
答案：C
gre数学考试关于几何的重点试题(二)
</p> 19. If the perimeter of the rectangle above is 36, then l=http://www.examw.com/gre/Files/2011-9/29/10862768.jpg
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
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