VTMO 2026 - Grade 8 - Semifinal - SET 06 - Self-study Question 22

In square $STUV$, points $Q,P$ are the midpoints of $ST,UV$, respectively. Point $R$ is inside the square, with $RQ=RP$ and $RP\parallel QV$. Find the ratio of the shaded area $VQRP$ to the unshaded area.