Well, for the second problem, I would say the answer is 6.

cooljackiec

2013-04-02 03:19:35

yah i get it. you add some extra lengths to 5 and 8 and then you get similar triangles. i did not see that at first.

anonimnystefy

2013-04-02 03:16:57

Do you understand why the answer is 18 for the last one?

cooljackiec

2013-04-02 03:13:07

thanks! my teacher gives me hard hwk.

In ,

points X and Z are on AB and Y is on AC such that XY||BC and ZY||XC. If AZ=8 and , ZX=4 then what is XB ?

anonimnystefy

2013-04-02 03:04:07

I would say 18.

cooljackiec

2013-04-02 03:00:19

In ,quadrilateral QRTS we have QR = 11,QS = 9 , and ST=2. Sides RQ and ST are extended past Q and S , respectively, to meet at point P. If PS=8 and PQ=5, then what is RT?