R S Aggarwal Solutions for Chapter: Concept of Perimeter and Area, Exercise 6: TEST PAPER-21

Find the perimeter of the following shape:

a regular hexagon of side $8 \mathrm{cm}$.

Find the perimeter of the following shape:

An isosceles triangle with equal sides $6 \mathrm{cm}$each and third side $4.5 \mathrm{cm}$ is $\mathrm{k} \mathrm{cm}$. Then find the value of $\mathrm{k}$.

The perimeter of a rectangular field is $360 \mathrm{m}$ and its breadth is $75 \mathrm{m}$. If its length is $l \mathrm{m}$, then find the value of $l$.

Find the area of a square whose perimeter is $84 \mathrm{cm}$.

If the area is k ${\text{cm}}^2$ , then write the value of k.

The area of a room is $216 {\mathrm{m}}^2$ and its breadth is $12 \mathrm{m}$. Find the length of the room.

If the circumference of a circle of radius $7 \mathrm{cm}$ is $k \mathrm{cm}$, then find the value of $k$. [Take $\mathrm{\pi } = \frac{22}{7}$]

If the diameter of a wheel whose circumference is $176 \mathrm{cm}$ is $k \mathrm{cm}$, find the value of $k$

Find the area of a rectangle whose length is $36 \mathrm{cm}$ and breadth $15 \mathrm{cm}$.

If the area is k ${\text{cm}}^2$ , then write the value of k.