A right rectangular prism has a length of 6 cm, a width of 8 cm, and a height of 4 cm. The dimensions of the prism are doubled.

What is the surface area of the enlarged prism?

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The formula for the surface area of a prism is

A = 2 (wh + wl + lh)

where A is the surface area

w is the width

l is the length

h is the height

w = 8 x 2 = 16

l = 6 x 2 = 12

h = 4 x 2 = 8

substitute to the given formula

A = 2 ((16 x 12) + (16 x 8) + (12 x 8))

A = 832 sq cm is the surface area of the new rectangular prism