A field is $70 \mathrm{m}$ long and $40 \mathrm{m}$ broad. A path of uniform width runs all around inside the field and covers an area of $1000 {\mathrm{m}}^2$. Find if the width of the path is $x \mathrm{m}$, then the value of $x$.

The adjacent figure shows a rug which has a white centre and a shaded border $250 \mathrm{cm}$ wide. Find the area of the rug and the area of the shaded border.

Find if the area of triangle is $x {\mathrm{cm}}^2$, then the value of $x$.

Base $=30 \mathrm{cm}$ and altitude$= 24 \mathrm{cm}$.

Find if the area of triangle is $x {\mathrm{m}}^2$, then the value of $x$.

base$=4.5 \mathrm{m}$ and altitude $=1.8 \mathrm{m}$.

If the area of a triangle with base $=$$28 \mathrm{m}$ and altitude $=75 \mathrm{cm}$ is $x {\mathrm{m}}^2$, then find the value of $x$.

If the area of triangle is $x {\mathrm{m}}^2$, then find the value of $x$ when the base$=16 \mathrm{dm}$ and altitude$= 5 \mathrm{m}$