Could you please check/help with my work?

Cone with a radius of 9 in. and a height of 11 in.

Volume: 933.05 cubic inches

Total Surface Area: 656.32 or 565.48 I’m not sure

Total packaging cost if it costs $0.03 per square inch
Material Cost:$19.69 or $16.96 again I am not sure as to what the Total surface area is.

Question

Could you please check/help with my work?

Cone with a radius of 9 in. and a height of 11 in.

Volume: 933.05 cubic inches

Total Surface Area: 656.32 or 565.48 I’m not sure

Total packaging cost if it costs $0.03 per square inch
Material Cost:$19.69 or $16.96 again I am not sure as to what the Total surface area is.

anonymous · Answer

yes maam I do believe this correct. good job:)

anonymous · Answer

My name is Allen. And as for the total surface area?