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

Pmoniq asked Apr 8, 2023

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Pmoniq asked Apr 8, 2023

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13 votes

Answer:

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

KimNguyen answered Apr 13, 2023

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