配套习题- 如何利用平行线间的比例线段解题 -【青果学院】

1/5单选题

难度：

1.

如图，已知直线a∥b∥c，直线m、n与直线a、b、c分别交于点A、C、E、B、D、F，AC=4，CE=6，BD=3，则BF=（　　）

青果学院

A	7
B	7.5
C	8
D	8.5

正确答案：Qg==

PHA+6Kej77ya4oi1YeKIpWLiiKVj77yMPGJyPuKItDxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wQy9GRC9yQkFDRkZQSTdsaUNJeEZQQUFBQ00waHJpVTAwNzIucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzBDL0ZEL3JCQUNGRlBJN2xpQ0l4RlBBQUFDTTBocmlVMDA3Mi5wbmciIGhlaWdodD0iNDIiIHdpZHRoPSI2MSI+PGJyPuKItUFDPTTvvIxDRT0277yMQkQ9M++8jDxicj7iiLQ8aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMEMvRkQvckJBQ0ZGUEk3bGl5dmlwaUFBQUI3VGtIdk5jMjc0LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wQy9GRC9yQkFDRkZQSTdsaXl2aXBpQUFBQjdUa0h2TmMyNzQucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iNTAiPjxicj7op6PlvpfvvJpERj08aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNEEvMTEvckJBQ0UxUEk3bGlBRWxncUFBQUJPV2pKTFJZODgyLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC80QS8xMS9yQkFDRTFQSTdsaUFFbGdxQUFBQk9XakpMUlk4ODIucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iOCI+PGJyPuKItEJGPUJEK0RGPTMrPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzRBLzExL3JCQUNFMVBJN2xpQUVsZ3FBQUFCT1dqSkxSWTg4Mi5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNEEvMTEvckJBQ0UxUEk3bGlBRWxncUFBQUJPV2pKTFJZODgyLnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjgiPj03LjUuPGJyPuaVhemAiUIuPC9wPg==

2/5单选题

难度：

2.

如图所示：△ABC中，DE∥BC，AD=5，BD=10，AE=3. 则CE的值为（　　）

青果学院

A	9
B	6
C	3
D	4

正确答案：Qg==

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

3/5单选题

难度：

3.

如图，直线l₁∥l₂∥l₃，另两条直线分别交l₁、l₂、l₃于点A、B、C及点D、E、F，且AB=3，DE=4，EF=2，则（　　）

青果学院

A	BC：DE=1：2
B	BC：DE=2：3
C	BC•DE=8
D	BC•DE=6

正确答案：RA==

PHA+6Kej77ya4oi1bDxzdWI+MTwvc3ViPuKIpWw8c3ViPjI8L3N1Yj7iiKVsPHN1Yj4zPC9zdWI+4oi0PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzBDL0ZEL3JCQUNGRlBJN2wteWYtTWxBQUFDTHpXLTdGdzk0MC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMEMvRkQvckJBQ0ZGUEk3bC15Zi1NbEFBQUNMelctN0Z3OTQwLnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjYxIj48YnI+4oi1QUI9M++8jERFPTTvvIxFRj0yPGJyPuKItEJD4oCiREU9QULigKJFRj02LiDmlYXpgIlELjwvcD4=

4/5单选题

难度：

4.

如图，直线AB∥CD∥EF，若AC=3，CE=4，则的值是（　　）

青果学院

A
B
C
D

正确答案：Qw==

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

5/5单选题

难度：

5.

如图，在△ABC中，AD是BC边上的中线，E在AC边上，且AE：EC=1：2，BE交AD于P，则AP：PD等于（　　）

青果学院

A	1：1
B	1：2
C	2：3
D	4：3

正确答案：QQ==

PHA+6Kej77ya6L+H54K5ROS9nERG4oilQkXvvIzkuqRBQ+S6jkbvvIw8YnI+4oi0QUTmmK9CQ+i+ueS4iueahOS4ree6v++8jDxicj7ljbNCRD1DRO+8jDxicj7iiLRFRj1DRu+8jDxicj7iiLVBRe+8mkVDPTHvvJoy77yMPGJyPuKItEFFPUVGPUZD77yMPGJyPuKItEFF77yaRUY9Me+8mjHvvIw8YnI+4oi0QVDvvJpQRD1BRe+8mkVGPTHvvJoxLjxicj7mlYXpgIlBLjwvcD4=