Surface Area of a Cuboid and a Cube

Area of one surface of a cube is ${\mathrm{side}}^2$.

Each of the faces in a cube meets the other four faces.

The length, breadth, and height of a square are the same.

A cube is a solid figure, which has six number of rectangular faces.

A cuboid has $6$ rectangular faces.

A cuboid has $8$ rectangular faces.

A cuboid has $6$ square faces.

A cuboid has square faces.

Two cubes are placed adjacent to each other. Determine the total surface area of the resulting cuboid.

Pradeep Sweet Stall has to make cuboidal boxes $200$ of cardboard having length $25$ cm, breadth $20$ cm and height $5$ cm for packing sweets. If the cost of cardboard is Rs $40$ per square metre, find the cost of making the box.

The length of Rahim's room is $3 .5$ meters, $3$ width meters $3$ meters. Find the cost of whitewashing its four walls at the rate of $15$ per square metre.

The length of one side of a cubical box is $1$ m $30$ cm. Find the total surface area of the box.

The length of Abhishek's room is $4$ m, breadth $3.5$ m and height $3$ m. Find the area of the four walls of this room.

Find the total surface area of the given cuboid.

Find the total surface area of the cube of side size given below.

side $=1 .2$ cm

Find the total surface area of the cube of side size given below.

side $=8 .8$ cm

Find the total surface area of the cube of side size given below.

side $=18$ cm

The length, breadth and height of the cuboid are given in the following table. Find the total surface (in ${\text{सेमी}}^2$) of each cuboid:

The perimeter of the largest room in Priyanka's house is $250 \mathrm{m}$. The cost of white washing its four walls at the rate of $₹10/{\mathrm{m}}^2$ cost is $₹15000$. What is the height of the room?

The length and breadth of a hall are in the ratio $3:2$ and its height is $4.5$metres. The cost of decorating its walls (including doors and windows) at $₹4.50$ per square metre is $₹4050$. Find the length and breadth of the room.