Question

What is the surface area of a package that is 8 inches by 11 inches by 2 inches

Answer 1

A = 2 ( 8 x 11) + 2 ( 8 x 2 ) + 2 ( 11 x 2 ) in ²

A = 2 [ 88 + 16 + 22 ] in ²

A = 2 [ 126 ] in ²

A = 252 in ²