Question

In triangle pqr p=17,q=8,r=15 state that triangle is right angled triangle or not

Answer 1

by using Pythagoras theorem
8square+15square=17square which is not true.
hence it is not a right angled triangle

Answer 2

P+q+r= 90
17+8+15=90
40=90
No triangle pqr is not a
Triangle