Question

Question 3

A cube is a three-dimensional figure. It has six faces and all of them are identical squares. The length of an edge of the cube is given by $l$. Find the formula for the total length of the edges of a cube.

Answer 1

Given, length of one edge of cube = $l$
Number of edges in a cube = 12
$\therefore$Total length of edges of the cube $=12\times l=12l$