Frustum of Cone and Pyramid: Volume and Surface Area

[@danieledem2711]

I think the first problem is not corresponding with the formula.... that's when you calculate for X.

[@OninabResources]

Does it give the same answer?
Yes.

[@funmiekuns323]

Oninab I want you to be my teacher

[@clintonnyasime]

Its 1280-160\3

[@jeromejeyz8499]

arent the problems supposed to correspond the formulas u gave first..am even more confused