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A storage shed is shaped like a triangular prism on top of a cube. What is the surface area of the shed including the floor and door?

1. 664 ft.²

2. 418.4 ft.²

3. 354.4 ft.²

4. 512 ft.²

A storage shed is shaped like a triangular prism on top of a cube What is the surface area of the shed including the floor and door 1 664 ft 2 4184 ft 3 3544 ft class=

Respuesta :

Answer:

the answer is 3. (354.4²)

Step-by-step explanation:

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The surface area of the shed including the floor and door is 354.4 ft.²

What is Surface area?

Hence:

Surface area=6×8²-[2(1/2×2×8)+8×2]

Surface area=384-[2(8)+16)]

Surface area=384-32

Surface area=352 ft.²

Surface area= 354.4 ft.²

Therefore the surface area of the shed including the floor and door is 354.4 ft.²

Learn more about surface area here:https://brainly.com/question/16519513

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