Question

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Answer 1

Explanation:

For any cube the total edge length is equal to 12n, with n being the length of an edge side. Knowing this:

Cube A - Total edge length = 12(3) or 36

Cube B - 12(5) or 60

Cube C - 12(9.5) or 114

If any cube has edge length s, the total edge length is 12s

Hope this helps!