Answer:
10x10 for each edge and x6 for the sides so its 600
Explanation:
10x10x6=600
300 mm^2
1st: Find the surface area of one side
10 mm x 10 mm = 100 mm^2
2nd: Multiply the surface area of one side by the amount of sides that are even
100 mm x 3 sides = 300 mm^2
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