Respuesta :

I hope this helps you
Ver imagen Аноним
oYOLOo
AB is the hyp
AC is the adj 
BC is the opp. 

You can find the BC by using SOHAHTOA
we need to know the opp and have the adj and an angle.. we can use TAN
so TAN(23) = BC/6 
BC = 6 x Tan(23) 
BC = 2.55 
so the answer's C.