Mathematics, 20.04.2020 04:18 flowerrr55

Two pyramids like the one below sit on top of the gates at the entrance to the bridge.

A square pyramid. The base is 10 inches by 10 inches. The triangular sides have a base of 10 inches and height of 13 inches. The pyramid has a height of 12 inches.

Which expression shows how to determine the minimum amount of cement used to make each of the pyramids?

One-third (10) (10) (12)

One-half (10) (10) (12)

4 (one-half (10) (13)) + 10 (10)

4 (one-third (10) (13)) + 10 (10)

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Two pyramids like the one below sit on top of the gates at the entrance to the bridge.

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