Question

A right rectangular prism has a length of 5 cm, a width of 4 cm, and a height of 3 cm. The dimensions of the prism are doubled.

What is the surface area of the enlarged prism

Answer 1

376

Explanation:

5*2=10

4*2=8

3*2=6

2(8*10+6*10+6*8)

Answer 2

formula is 2(wl+hl+hw)
and dimensions are doubled so 5 is 10, 4 is 8, and 3 is 6.
2[(8x6)+(6x10)+(6x8)]
=376 cm^3