The length of an edge of a cube is $l$ . Find the formula for the sum of lengths of all the edges of the cube.

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Solution

According to question,
Edge length of a cube $= l$

Hence, cube has $12$ edges.

So,sum of length of edges $= 12 l$

Hence formula for the sum of edge length $= (12 \times$ one edge length)

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The length of an edge of a cube is l. Find the formula for the sum of lengths of all the edges of the cube.

According to question, Edge length of a cube =lHence, cube has 12 edges.So,sum of length of edges =12lHence formula for the sum of edge length =(12× one edge length)

The length of an edge of a cube is $l$ . Find the formula for the sum of lengths of all the edges of the cube.

According to question,
Edge length of a cube $= l$

Hence, cube has $12$ edges.

So,sum of length of edges $= 12 l$

Hence formula for the sum of edge length $= (12 \times$ one edge length)