jason is wrapping a gift.The box he is using is a rectangular prism with a length of 20 inches a width 12 inches and a height of

Question

2 years ago

11

5 inches.Find how many square inches of paper does he need to wrap the intire box?

1 answer:

dedylja [7] · Answer 1 · 2023-04-01T03:56:45+03:00

Answer:

Step-by-step explanation:

Surface area of rectangular prism:

length = l = 20 in

width = w = 12 in

height = h = 5 in

$\boxed{\text{surface area of rectangular prism = 2*[lw + wh + hl]}}$

= 2* [ 20*12 + 12*5 + 5*20]

= 2* [240 + 60 + 100]

= 2 * 400

= 800 in²