```Date: Jul 28, 2008 3:02 AM
Author: John
Subject: Proof Question I spent 2 days already

hey teachers and expertsI have this extreme problem which took me 2 days to look overThere are 3 proof parts, a and b are easy to prove anywaybut I am stuck with problem cPlease take a look at this original problemhttp://i64.photobucket.com/albums/h187/jwxie/untitled-6.jpgThe givens are the followingRS and QT are the altitude of Triangle PQR;PQ = RUI did part A using "AA ~ AA"Since altitude makes a right angle, so<QSU , <UTR are both right anglesthen next we have the vertex angles...Part B I used AAS =~ AAS<PTQ = <UTR (Right angle)<URT = <SQU (already proven from part A)and side is the givenNow, part C is the problemThe question isFIND < PRQ (angle)here what I did for 2 dayshttp://i64.photobucket.com/albums/h187/jwxie/untitled-5.jpgI tried to setup a 3-variable equations360 = 180+ (180-y) + zz = 90+xx = 90-ybut I always get the same answer  0 = 0 which means this is not the equation to solve for either unknown variableWould someone please help me to find it?
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