hello Greenrune113
how is your day going?
so I'm, not the best at this but I will try to help u.
so l think the answer to this is.
drum roll plz.
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
sin(13°)= 900/c
c= 900/sin(13°)
4000.870334
rounded would be like
4001
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
l hope this helps u
have a fantastic day
if u need more help feel free to let me know
and if this is not the answer plz let me know
-toby out!