Posted by evadahun on .
in the given figure,PQ=PS and QR=SR.Prove that triangle PQR is congruent to triangle PSR.

geometry 
Steve,
Sorry  no figures here. Describe the triangles, if possible.
If they're right triangles, it's possible that SAS will justify the assertion. 
geometry 
bobpursley,
Describe the triangles. If PR is a common side to each triangle, then SSS congruency will work.