Question 1032257
Hi there,
Surface area of bottom tier
= Circumference x height + 2 x π x radius^2
= πx 2 x radius x 4 + 2 x π x radius^2
= π x 2 x 8 x 4 + 2 x π x 8^2
= 602.8 ins^2
Surface area of top tier
= Circumference x height + 2 x π x radius^2
= πx 2 x radius x 4 + 2 xπ x radius^2
= π x 2 x 3 x 4 + 2 x π x 3^2
=  131.88 ins^2
Hope this helps :-)