Asish Kumar Solutions for Chapter: Perimeter and Area, Exercise 3: REVISION EXERCISE

The perimeter of a rectangle is equal to perimeter of a square of area $36 {\mathrm{cm}}^2$. The breadth of the rectangle is $4 \mathrm{cm}$. What is the length and area of the rectangle?

The dimension of a carom board, which is in square shape is given below. Each side of the board is$40 \mathrm{cm}$.There are four square holes in each corner of the board of size $6 \mathrm{cm}\times 6 \mathrm{cm}$. If the area that can be used for playing is $k {\mathrm{cm}}^2$ then find the value of $k$.

The dimension of a carrom board, square in shape is given below. Each side of the board is$40 \mathrm{cm}$.

There are four square holes in each corner of the board of size $6 \mathrm{cm}\times 6 \mathrm{cm}$. Answer the following.

The perimeter of the carrom board.

The dimension of a carrom board, square in shape is given below. Each side of the board is$40 \mathrm{cm}$.

There are four square holes in each corner of the board of size $6 \mathrm{cm}\times 6 \mathrm{cm}$. Answer the following.

The area of each hole and total area of holes.

The dimension of a carrom board, square in shape is given below. Each side of the board is$40 \mathrm{cm}$.

There are four square holes in each corner of the board of size $6 \mathrm{cm}\times 6 \mathrm{cm}$. Answer the following.

Perimeter of each hole and total perimeter of all the holes.

A table-top is to be covered by sun-mica. The length of the table-top is $90 \mathrm{cm}$ and breadth of the table-top is $60 \mathrm{cm}$. If the cost of sun-mica is $50 \mathrm{paise} \mathrm{per} \mathrm{square} \mathrm{cm}$, find the total cost required to cover the table by sun-mica.

If the area of a rectangle is $k {\mathrm{cm}}^2$, the perimeter is $300 \mathrm{cm}$ and the length and breadth are in the ratio of $1:2$, then find the value of $k$.

Find the number of square tiles of size $10 \mathrm{cm}$ required to cover a room $5 \mathrm{m}$ long and $4 \mathrm{m}$ wide. And also find the cost of covering the room if each square tile costs$₹5$.