The sum of all the edges of the cube is 69cm. Find the length of the edge of the cube.
| July 22, 2021 | education
The cube has twelve edges – 4 edges in the upper plane, 4 edges in the lower plane, and 4 on the sides. Therefore, to calculate the length of one edge, the sum of all edges must be divided by 12.
69: 12 = 5.75 (cm).
Answer: The length of one edge of the cube is 5.75 cm.
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