document.write( "Question 1132931: In isosceles triangle RST, RS=ST. Prove that angle SRP, the exterior angle at R, is congruent to angle STQ, the exterior angle at T. \n" ); document.write( "
Algebra.Com's Answer #750112 by Alex.33(110)\"\" \"About 
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RS=ST
\n" ); document.write( "therefore angle R=angle T
\n" ); document.write( "therefore the exterior angle at R=the exterior angle at T
\n" ); document.write( "(180-angle R=180-angle T)\r
\n" ); document.write( "\n" ); document.write( "Hope this helps!
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