Respuesta :

Answer:

If you're wanting to know the surface area of the cylinder, then"

surface area=1074.41 in^2

Step-by-step explanation:

area of one end=pi(r^2)=3.14(9^2)=254.47

two ends=254.47(2)=508.94

vertical side=pi(2r)(height)=3.14(18)(10)=565.47

565.47+508.94=1074.41