Question

if triangle PQR is right angled at Q, PQ = QR if QS perpendicular to PR and QS = 4cm what is the perimeter of triangle PQR​ is 1)8(root2+1) 2)8 root 2 3)16(root2+1) 4)24 choose the correct option

Answer 1

QS = 2√5 cm

RS = 5 cm

QR = 3√5 cm