Respuesta :

skooliswack
To find c you use cosine or adjacent/hypotenuse. To set up your equation it’ll look like h=16/cos(21). h=hypotenuse which is what your solving for. You should get 17.1383199. I’m not sure what your supposed round to so I gave the full answer.
michelle6740
The first person seems to know what they are talking about soo I’m a just leave this here