Michael's little brother plays with building blocks that are in the shape of a cube. Each cube has an edge length of 15 millimet
ers. What is the surface area of this cube? 15 mm² 90 mm² 1350 mm² 3375 mm²
2 answers:
Answer:
1350 mm²
Step-by-step explanation:
The area of each square face is the square of the edge length:
... face area = (15 mm)² = 225 mm²
There are 6 square faces on a cube, to the total surface area is 6 times that of one face:
... cube area = 6 × face area = 6×225 mm² = 1350 mm²
Answer:
1350
Step-by-step explanation:
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