Find the surface area 12in 8in 5in

Question

asked May 22, 2023 33.8k views

2 Answers

BillHaggerty · Answer 1 · 2023-05-27T17:34:22+0000

Answer:

$S = 392\ in^2$

Explanation:

Step 1: Determine important information

Using the given numbers it doesn't really matter which is which because the equation multiplies everything together.

Surface Area of a Rectangular Prism →
S= 2(wl+hl+hw)

Step 2: Plug in the values and solve

$S = 2((5\ in * 12\ in) + (8\ in * 12\ in) + (8\ in * 5\ in))$

$S=2(60\ in^2 + 96\ in^2 + 40\ in^2)$

$S = 2(196\ in^2)$

$S = 392\ in^2$

Answer:
$S = 392\ in^2$