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blsea [12.9K]
2 years ago
7

Will mark Brainliest!!

Mathematics
1 answer:
Law Incorporation [45]2 years ago
3 0

I removed all eight corners, leaving the total area unchanged.

I removed the central cube of the top surface obtaining an increase of the surface area with four units.

I removed one cube from the middle of an edge at the top (any of the four remaining) and I arrived at a figure with ten cubes less then the original one but with the same surface area.

https://nrich.maths.org/787/solution
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Ierofanga [76]

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