A box is 8 1/2 inches wide 12 3/4 inches long in 5 1/2 inches tall what is the total surface area of 3 such boxes

Question

asked Feb 9, 2020 40.3k views

1 Answer

Zaksh · Answer 1 · 2020-02-13T13:27:58+0000

Explanation:

Surface Area Formula: SA=2lw+2lh+2hw

SA is surface area. l is length, w is width, h is height. Make sure to follow PEMDAS and keep multiplication together before adding.

Now substitute values

2(12 3/4*8 1/2)+ 2(12 3/4 * 5 1/2)+ 2(5 1/2*8 1/2)

SA=450.5 inches squared