Da




$\angle \mathrm{RTP}=180\xb096\xb0=84\xb0\phantom{\rule{0ex}{0ex}}\angle \mathrm{SPR}=180\xb084\xb018\xb0=78\xb0\left(\mathrm{ans}\right)\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\mathrm{PQR}\mathrm{is}\mathrm{an}\mathrm{isocelles}\mathrm{triangle},\mathrm{PQR}=\mathrm{PSR}\phantom{\rule{0ex}{0ex}}\mathrm{So}\angle \mathrm{PQR}=180\xb078\xb078\xb0=24\xb0\left(\mathrm{ans}\right)$ 


