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alexdok [17]
3 years ago
6

The top of a gate post is in the shape of a square pyramid. The height of the pyramid is 5 inches and each side of the base is 7

.4 inches. Find the volume of wood needed to make the top of the gate post. Round to the nearest tenth. Explain/show how you found the answer.
Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0

Answer:

  91.3 in³

Step-by-step explanation:

The volume of a pyramid can be found using the formula ...

  V = (1/3)Bh

where B represents the area of the base, and h represents the height.

Since the base is square, its area will be the square of the side length, so the volume is ...

  V = (1/3)·(7.4 in)²·(5 in) ≈ 91.3 in³

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