GRE数学几何重点例题(1)

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。

1. If the areas of three of the faces of a rectangular solid are 6,10 and 15, what is the volume of the solid?

A.30

B.90

C.150

D.300

E.450

答案：A

2.△RST lies in the XY-plane and points R and T have (x, y) coordinates (0,0) and (6,0), respectively. The area of △RST is 12.

The x-coordinate of R

The y-coordinate of S

答案：D

3.What is the maximum number of nonover-lapping regions into which 3 lines can divide the interior of a circle?

A.4

B.6

C.7

D.8

E.9

答案:C

4.The rectangular rug shown in the figure above has a floral border 1 foot wide on all sides. What is the area, in square feet, of that portion of the rug that excludes the border?

A.28

B.40

C.45

D.48

E.53

答案：A

5. The diagram represents a rectangular garden. The shaded regions are planted in flowers, and the unshaded region is a walk 2 feet wide. All angles are right angles.

The sum of the areas of the shaded regions

2,800 square feet

答案：D

6.What are the coordinates of point B in the xy-plane above?

A.(6,12)

B.(6,28)

C.(8,20)

D.(12,20)

E.(14,28)

答案：B

7.If 9 trees are originally planted in a circular pattern as shown above, what is the least number of trees that must be transplanted so that the 9 trees will be in 2 straight rows?

A.4

B.5

C.6

D.7

E.8

答案：B

8.If the sum of the measures of two angles is 180^o,each angle is a supplement of the other, whereas, if the sum of their measures is 90^o, each is a complement of the other.

The measure of an angle with a supplement that measures 130^o

The measure of an angle with a supplement that measures 40^o

答案：C

9.If a solid pyramid has 4 vertices and 4 faces, how many edges does the pyramid have?

A.2

B.3

C.4

D.6

E.8

答案：D

10.A rectangular floor with an area of 12 square meters is drawn to scale with 2 centimeters representing 1 meter.

The area of the scale drawing of the floor

24 square centimeters

答案：A

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