Take a WHIZ at this QUIZ!

May 2010
3
0
hey, i've attached a picture. the following questions refer to it.

1. show that DA/XB=AX/BY=XD/YX

2. In a version of this diagram, DX=429 and DY=845. find the lenght and width of the rectangle ABCD

cheers!
 

Attachments

Jan 2008
588
242
hey, i've attached a picture. the following questions refer to it.

1. show that DA/XB=AX/BY=XD/YX

2. In a version of this diagram, DX=429 and DY=845. find the lenght and width of the rectangle ABCD

cheers!
For the first one: Think similar tirangles.