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1800-102-2727A cube is a 3- dimensional shape. It has 6 faces, 8 vertices and 12 edges. Each vertex of a cube is the meeting point of 3 of its edges. The cube shape is also referred to as a cubic figure. All the sides or faces of a cube are equal. This is because a cube has its faces made up of squares which give cube equal sides.
The area occupied by a cube in three- dimensional space is called its surface area. The surface area of a cube is calculated as the product of 6 and square of length of it sides. It can also be calculated by adding the squares of length of all six sides of the cube. Since a cube is made of square faces, the area of cube can also be observed as the sum of areas of the six squares which make the cube. For example,
If we open up the cube in form of the constituent netted figures, then we will get six square figures. This makes finding the surface area of a cube very easy.
Thus, the above figure is of a cube with all sides equal. The area of given cube is calculated as
Surface area of cube = 6 . a²
Or
Surface area of cube = a² + a² + a² + a²2 + a² + a²
where ‘a’ is the length of sides.
The area is measured in square units.
However, the area of cube is of two types depending on the number of faces involved or required under given conditions. The types of areas of cube are as follows:
The edge of a cube is the line segment that joins two vertices of a single unit cube. The length of the edge of a cube can be calculated with the help of the surface area of the cube.
We know
Area of cube = 6a²
where ‘a’ is the side of the cube. This means ‘a’ is the edge of the cube. To find the length of ‘a’
a = √(area/6)
The volume of the cube is given by a³
Thus, the side of the cube can be found out by calculating the cube root of the volume.
a= ∛a³