In ∆ LMN, I(LM) = (LN). An altitude LP is drawn from L to MN. PQR is an equilateral triangle such that Q lies on LM and R lies on LP. It is known that S is the midpoint of LN, and that I(QR) = [(RL), Find angle MPS.

In LMN ILM LN An altitude LP is drawn from L to MN PQR is an equilateral triangle such that Q lies on LM and R lies on LP It is known that S is the midpoint of class=