A triangle with sides a,b,c is called a good triangle if a2,b2,c2 can form a triangle. How many of below triangles are good?(i) 40∘,60∘,80∘(ii) 10∘,10∘,160∘(iii) 110∘,35∘,35∘(iv) 50∘,30∘,100∘(v) 90∘,40∘,50∘(vi) 80∘,20∘,80∘<spanclass=′latex−bold′>(A)</span>1<spanclass=′latex−bold′>(B)</span>2<spanclass=′latex−bold′>(C)</span>3<spanclass=′latex−bold′>(D)</span>4<spanclass=′latex−bold′>(E)</span>5