Question

answer these question

Answer 1

given that x divides PQ in 2:1

$qx = \frac{2}{3} pq \: \: (1)$

similarly y divides QR in 2:1

$ry = \frac{2}{3} qr......(1)$

in∆PYQ

${py}^{2} = {pq}^{2} + {qy}^{2}$

hope it help