Posted by BARBIE LEE on Wednesday, November 20, 2013 at 7:59am.
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please PLEASE IM BEGGING YOU MY TEACHER WILL BE GIVING ME 79 IF I DIDN'T GET THIS .. OR ELSE LOWER THAN THAT. PLEASE

TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS  BARBIE LEE, Wednesday, November 20, 2013 at 8:06am
just delete the parethesis please

TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS  Reiny, Wednesday, November 20, 2013 at 10:52am
The key to this question is to realize that all the right angled triangles are similar, and have the
ratio of 3:4:5 in the length of their sides.
Mark the two angles in triangle BCD with o and x
( you should be able to see that since XD  BC , so you can mark XDC as o and DCX as x
continue through the other triangles...)
Triangle XDC is similar to triangle DCB
XD:XC:DC = DC:DB:CB = 4:3:5
4p:3p:4
4p/4 = 4/5
4p = 16/5 > XD = 16/5
3p/4 = 3/5
3p=12/5 > XC = 12/5
and of course > CD = 4
now you have all the sides of triangle XDC
Did you notice that
3:4:5 = (5/4)(12/5 : 16/5 : 4) ??
continue in this fashion until you have all sides needed.

TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS  Anonymous, Wednesday, November 20, 2013 at 4:26pm
yes sir ive got that already. i don't know what to do next. please help
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