Respuesta :

11qq11

Linear pair of angles : (e,i) , (f,j) , (e,f) , (i,j) , (g,h) , (g,k), (h,l), (l,k), (a,b), (b,d), (d,c), (a,c)

Vertically opposite angles : ( e,j), (f,i), (g,l), (h,k), (b,c), (a,d)