This presentation is the property of its rightful owner.
Sponsored Links
1 / 25

图形运动 PowerPoint PPT Presentation


  • 100 Views
  • Uploaded on
  • Presentation posted in: General

图形运动. 黄文华. 知识梳理. 图形的运动包括图形的平移、旋转、翻折,图形在运动的过程中,对应线段、对应角的大小不变. 图形在平移的过程中,对应点的连线平行且相等.图形在旋转的过程中,对应线段的夹角相等,这个夹角就是旋转角.图形在翻折前后,对应点的连线的垂直平分线就是对称轴.. 常见的题型. 图形的运动是近几年新课程考试的热点问题,常见的题型有:. 一、判断题.这类题目主要考察中心对称图形、轴对称图形的概念. 【 例 1】 从一副扑克牌中抽出如下四张牌,其中是中心对称图形的有( ).. B.

Download Presentation

图形运动

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


4063662


4063662


4063662

1

B

A.1 B.2 C.3 D.4


4063662

2

C

A B C D

3

D

A B C D


4063662

4,

A B C D

D

5

A. B.

C. D.

A

61800( )

D


4063662

7mABCDEA=1300B=1100BCD

A. 400B.500C600D.700.

[] 3600BCD2 300600C


4063662

8BCBD

CBD A. 90 B.90 C. 90 D.

[] ABCABCEBDEBDCBD90B


4063662

9ABCDAEBAECDFGAB= ,

AE( )

B. 3 C. 2 D.

A

[] ABABBBABABBAE2C


4063662

10MNABCDADBCDEABEADEDEMNAEBE( )

A21 B1 2 C3 2 D23


4063662

11RtABCAB=4B=60ABCB60C

[] RtABCB60BC602C

B


4063662

12ABCDADBCABBCAD2BC3CDD90EAEDEADE

A1 B2 C3 D

[] ADEADADDDFBCFFC=1DFCD90DEGADEG=1A


4063662

13ABCA60ABCCBCCDD B

A

B

C

D

[] ABCACCABC30ABBCD


4063662

14P ABC PA6PB8PC10PACAPAB PP _______APB______

[] APPBPPAPB150


4063662

15

[]


4063662

1688EFMNOABC

A904 4

OA90

MN4A90ABCPQR

A ; B ; CD

[] D


4063662

F

N

D( F )

C

C

D

D

C

F

N

O

O

O

G

E

A

A

B

M

A( G )

B( E )

B

M

G

E

1

2

3

171GEFABCDABCDGEFEFOOBD

12EFABMGFBDNBMFNBMFN

2GEF3FEABMBDGFN1


4063662

[] 123OE=OF=OB=OD45OBMOFN2OBMOFN 453OBMOFN 135OBMOFNBM=FN


4063662

181ABCACB=900AC=8BC=6ABCDAC1D1BC2D22AC1D1D2BABAD1D2BD1BC1D1BC2EAC1C2D2BC2FP

1AC1D13D1ED2F

1

=

1 2 3

3C1D1C2D2AC1BC2AD1=BD2=C1D1=C2D2=5AD2=BD1

AC1D1AFD2BC2D2BED1APBACB


4063662

181ABCACB=900AC=8BC=6ABCDAC1D1BC2D22AC1D1D2BABAD1D2BD1BC1D1BC2EAC1C2D2BC2FP

2D2D1xAC1D1BC2D2yyx

1 2 3


4063662

181ABCACB=900AC=8BC=6ABCDAC1D1BC2D22AC1D1D2BABAD1D2BD1BC1D1BC2EAC1C2D2BC2FP

x/

1 2 3


4063662

[19]OABC,O,Cx,OA=6,OC=10.

11OAEEOCECOABDE

1C

1


4063662

[19]OABC,O,Cx,OA=6,OC=10.

22OAOCE/FE/OFE/FOABD/D/D/GAOE/FTOCGTG=AE/

2OC

y

D/

B

A

E/

T

X

O

G

C

F

2

32Tx,yyxx


4063662

[19]OABC,O,Cx,OA=6,OC=10.

22OAOCE/FE/OFE/FOABD/D/D/GAOE/FTOCGTG=AE/

y

A

D/

y

B

D/

B

A

E/

T

E/

T

x

X

O

G

F

C

O

G

C

F

3

2

(4)3,OABCOABC,OC=10,OC6,,:T(x,y)yx(3),,;,.


4063662

21y=ax2+bx+cyA(03)xB(10)C(50)

1

2DOADC

3POAMx(E)(F)APEF

[] Mx

A

M

xMAA

MAMAMEEFFA


4063662

[22ABCDAB=2ADEF=10.EFMEMMFEMNHMFGNMFGNABCD.MN=X, xEMNHS


  • Login