Perimeter and A...

If area of circular field is $$6.16 \text{ m}^2$$, then its diameter will be

A circular grassy plot of land, $$42\ m$$ in diameter, has a path $$3.5\ m$$ wide running round it on the outside. Find the cost of gravel ling the path at Rs. $$4$$ per square metre.

The circumference of a circular ground is $$88$$ metres. A strip of land, $$3$$ metres wide, inside and along circumference of the ground is to be levelled. What is the budgeted expenditure if the levelling costs Rs. $$7$$ per square metre?

A flooring tile has the shape of a parallelogram whose base is $$24\: cm$$ and the corresponding height is $$10\: cm$$. How many such tiles are required to cover a floor of area $$1080$$ $$m^2$$? 

The adjacent sides of a parallelogram are 10 cm and 12 cm. The diagonal joining the ends of these sides is 14 cm. Its area is

The cost of fencing a circular field at the rate of $$Rs\:.240\: per\: metre$$ is $$Rs. \: 52,800$$ . The field is to be ploughed at the rate of $$Rs. 12.50 \: per \: m^{2}$$. Find the cost of ploughing the field.

The circumference of a circular field is $$308\:m$$ . Find its area.

The diameter of a circle is $$28 \:cm$$. Find its area.

Find the length and the breadth of the lawn.

The diagram, given below, shows two paths drawn inside a rectangular field 80 m long and 45 m wide. The widths of the two oaths are 8 m and 15 m as shown. Find the area of the shaded portion.