1 / 14

# 角平分线模型 - PowerPoint PPT Presentation

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about '角平分线模型' - tamera

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

1、类型一：角平分线+平行型。

2、类型二：角平分线+等腰型。

3、类型三：角平分线+对称型。

4、类型四：角平分线+垂直型。

5、类型五：角平分线+互补型。

A

E

F

C

B

D

1、类型一：角平分线+平行型。

2

1

3

E

D

A

B

C

2、类型二：角平分线+等腰型。

1

A

D

C

B

3、类型三：角平分线+对称型。

F

E

A

D

C

B

3、类型三：角平分线+对称型。

1

2

E

A

E

D

C

B

4、类型四：角平分线+垂直型。

F

C

E

D

F

B

A

5、类型五：角平分线+互补型。

∠1+ ∠2=900

2

1

D

C

H

E

G

F

A

B

5、类型五：角平分线+互补型。

②已知：如图，平行四边形ABCD各角的平分线分别相交于点E、F、G、H。求证：四边形EFGH是矩形。

P

D

C

A

B

Q

（1）求证：AP⊥PB；

P

D

C

A

B

Q

（1）求证：AP⊥PB；

A

D

E

C

B

（1）求证：DE=EC。

F

（1）求证：DE=EC。