S K Gupta and Anubhuti Gangal Solutions for Exercise 8: Chapter Assessment

The area of a square with perimeter $28 \mathrm{cm}$ is

A piece of board $8 \mathrm{m}$by $6 \mathrm{m}$ cut into $12$ equal squares. The perimeter of each square is

The area of a square( in ${\mathrm{cm}}^2$) whose perimeter is equal to the perimeter of a rectangle with length $10 \mathrm{cm}$ and breadth $6 \mathrm{cm}$ is

What happens to the area of a rectangle when , if its length is doubled, the breadth remaining the same.

A lawn is rectangular and measures $36 \mathrm{m}$ by $27 \mathrm{m}$. If one bag of fertilizer covers $360 {\mathrm{m}}^2$, how many bags must be purchased?

Find the area(in ${\mathrm{cm}}^2$) of the given figure:

 

Square shaped stamps, each of side $2 \mathrm{cm}$ are pasted on a rectangular sheet of paper $30 \mathrm{cm}$ by $18 \mathrm{cm}$, without any gaps, what is the number of stamps pasted?

A rectangle has an area $18 {\mathrm{cm}}^2$. If its length and width are whole numbers, what is the greatest possible perimeter?