Question
Construct a right angled triangle PQR such that $\mathrm{PQ}=6 \mathrm{~cm}, \mathrm{QR}=3.5 \mathrm{~cm}$ and $\angle \mathrm{PQR}=90^{\circ}$. Bisect $\angle \mathrm{P}$ internally and mark a point $Z$ on this bisector such that $P Z=4 \mathrm{~cm}$. Find the points which are 4 cm from $Z$ and also 4 cm from the line QR .
