A Proof of Pythagoras - PowerPoint PPT Presentation

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A Proof of Pythagoras

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Title: Author: Last modified by: Yip-Cheung Chan Created Date: 9/4/2000 12:28:51 PM Document presentation format – PowerPoint PPT presentation

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Title: A Proof of Pythagoras


1
A Proof of Pythagoras Theorem
2
a2 b2 c2
c
a
b
3
a2
c
a
b
b2
4
c
a
b
5
c
a
b
6
c
a
b
7
? a2 b2 c2
c
a
b
Pythagoras Theorem is proved.
c2
8
a2 b2 c2
c
a
b
Pythagoras Theorem
9
Example.
Find c.
c
3
4
By Pythagoras Theorem,
c2 32 42
916
25
5
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