I need help on this problem, I dont know how to do it, I dont know if its about finding area or anything but its for Geometry. I dont get it, can anyone tell how to find the sides shown in the bottom(Attachement). Thank You!

I need help on this problem I dont know how to do it I dont know if its about finding area or anything but its for Geometry I dont get it can anyone tell how to class=

Respuesta :

Answer:

Step-by-step explanation:

<B=90-47=43

AB/BC=sin 47

BC=AB/sin 47=18/0.731=24.6 nearly

AC/AB=Tan 43

AC=18 tan 43=16.8 nearly