R. D. Sharma Solutions for Chapter: Mensuration, Exercise 4: EXERCISE

The side of a square is $70 \mathrm{cm}$. Find its area and perimeter.

A marble tile measures $10 \mathrm{cm}\times 12 \mathrm{cm}$. How many tiles will be required to cover a wall of size $3 \mathrm{m}\times 4 \mathrm{m}$? Also, find the total cost of the tiles at the rate of $\mathrm{Rs} 2$ per tile.

Find the value of K.

The figure has been split into rectangles. Its area is ${\mathrm{K} \mathrm{cm}}^2$ . 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$. 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$ . 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$. 

How many tiles with dimensions $5 \mathrm{cm}$ and $12 \mathrm{cm}$ will be needed to fit a region whose length and breadth are $100 \mathrm{cm}$ and $144 \mathrm{cm}$.

How many tiles with dimensions $5 \mathrm{cm}$ and $12 \mathrm{cm}$ will be needed to fit a region whose length and breadth are $70 \mathrm{cm}$ and $36 \mathrm{cm}$.