Perimeter and A...

In a parallelogram the base and height are is in the ratio of $$5 : 2$$. If the area of the parallelogram is $$360\ m^{2}$$, find its base and height.

In Figure $$ABCD$$ is a square then find the area of the shaded region.

Find the circumference of circle whose diameter is- $$17.5\ cm$$
Take $$\pi = \dfrac {22}{7}$$ in the above two questions.

If the circumference of a circle is $$264\ cm$$, find its radius. Take $$\pi = \dfrac {22}{7}$$.

Rohit's family is planning to build a concrete basketball court in their backyard. How many square metres will be left in the backyard for grass?

The area of the shaded region in the figure is ______ .

A square and a rectangular plot of land have the same perimeter. If the square is of side $$40m$$ and the rectangle is of length $$5$$ decameter. Then area of rectangle is _______ .

If the area of a rectangle is equal to the area of a square and if one side ($$l$$) of the rectangle is equal to the perimeter of the square, then the other side ($$b$$) of rectangle is _______ .

If the circumference of a circle is $$33\ cm$$, find its diameter.

The shaded part in the given figure is covered with cement. If its costs Rs. $$84$$ to cement an area of $$3$$ $$cm^2$$, find the total cost of cementing.