Question

PQR is a triangle , right angled at p .if PQ=13cm and PR=12cm . Find QR

Answer 1

PQ=13cm

PR=12cm

QR=x cm

acc. to the question QR is the longest side

By Pythagoras theorem

QR^2=PQ^2+PR^2

QR^2=13^2+12^2

QR^2=169+144

QR=√313

QR=17.69

Answer 2

I hope it is correct