The area of each triangular base is:

A = 1/2 (b) (h) A = 1/2 (4) (3)

A =

in. 2

There are two bases, so total base area is

in ...

he lateral area is:

A = 8 (4) + 8 (3) + 8 (5)

A =

in. 2

The total surface area is

in.

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