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Alenkinab [10]
3 years ago
5

Find the surface area of the prism.

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

The surface area of the prism is 386m²

Step-by-step explanation:

The surface area of a box is equal to the sum of the areas of each side of the box.

2 \times (lenght) \times (widht) + 2 \times (lenght) \times (height) + 2 \times (width) \times (height)

Substitute the values of the length l=15, the width w=7, and the height h=4 into the formula.

2 \times 15 \times 7 + 2 \times 15 \times 4 + 2 \times 7 \times 4

Simplify each term.

210 + 120 + 56

Simplify by adding numbers.

386m ^{2}

Hence, the Surface area of this prism is 386m².

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