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Pani-rosa [81]
3 years ago
13

The net of a pyramid is shown below:

Mathematics
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

Step-by-step explanation:

height of pyramid = √(10²-(5/2)²) = √93.75

volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³

lateral area = 2×5×10 = 100 in²

base area = 5² = 25 in²

surface area = 100+25 = 125 in²

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