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.

Open in App

Solution

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

Suggest Corrections

Similar questions

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.

Q. A cube is a three-dimensional figure as shown in fig. 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 from the total length of the edges of a cube.

Q. 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.

Q. Fill in the blanks.

(1) Each face of a cube is ........ .
(2) A cuboid has ........ edges.
(3) A cube has .......... faces.
(4) A cuboid has ........ vertices.
(5) The standard units of volume are ......... and ........ .
(6) All the edges of a cube are of ........ length.

Q. Cube

A

has an edge length of

2

inches. Find the volume of cube

B

, whose edge length is double the edge length of Cube

A

, in cubic inches.

Join BYJU'S Learning Program

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.

Given, length of one edge of cube = l Number of edges in a cube = 12 ∴Total length of edges of the cube =12×l=12l

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.

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