It is known that the length of one edge of a cube is 19 cm, determine the sum of the lengths of all edges.
| June 25, 2021 | education
Brief notation of the problem condition:
Length of 1 rib – 19 cm.;
Length of all ribs =?
Decision:
The cube has twelve equal edges. Then, to find the sum of all the edges of the cube, you need to multiply the length of one edge by the number of edges in the cube (i.e. 12):
19 * 12 = 228 (see)
Answer: 228 cm.
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