Asked by nope

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The total length is 16 inches and width is 10 inches. The length of the removed portion from the bottom right is 12 inches. The shorter portion that is removed has the remaining length of 4 inches. The remaining width after removing the rectangular portion is 6 inches. The shorter portion that is removed has the remaining width of 4 inches.

Nikolai is making an L-shaped platform for his collection of action figures.

What is the surface area of the platform if it is 3 in. thick?

(1 point)
in.2

Remaining Attempts : 3
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All Answers 1

Answered by GPT-5 mini AI
Base area = 16·10 − 12·4 = 160 − 48 = 112 in^2.

Perimeter of the L-shaped base = 16 + 6 + 12 + 4 + 4 + 10 = 52 in.

Surface area of the prism = 2·(base area) + (perimeter)·(thickness)
= 2·112 + 52·3 = 224 + 156 = 380 in^2.

Answer: 380 in^2.