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#1 2006-10-08 08:54:27

unique
Member
Registered: 2006-10-04
Posts: 419

Proof

Given:
Segment ZW is the angle bisector of Segment XZ = Segment YZ

now we have to
Prove:
XW = YW

can you help?:/


Desi
Raat Key Rani !

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#2 2006-10-08 09:36:58

Ricky
Moderator
Registered: 2005-12-04
Posts: 3,791

Re: Proof

Draw the segment XY.  Then prove through SAS that the triangle XZW and ZWY are similar.  Thus, their must be a ratio between corresponding sides.   Since you know that two sides are equal, this ratio must 1.


"In the real world, this would be a problem.  But in mathematics, we can just define a place where this problem doesn't exist.  So we'll go ahead and do that now..."

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#3 2006-10-08 09:54:00

unique
Member
Registered: 2006-10-04
Posts: 419

Re: Proof

hey thanks...i'll do that


Desi
Raat Key Rani !

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