Mathematics
The cost of fencing a circular field at the rate of ₹ 240 per metre is ₹ 52,800. The field is to be ploughed at the rate of ₹ 12.50 per m2. Find the cost of ploughing the field.
Related Questions
The distance between parallel sides of a trapezium is 15 cm and the length of the line segment joining the mid-points of its non-parallel sides is 26 cm. Find the area of the trapezium.
The diagonal of a rectangular plot is 34 m and its perimeter is 92 m. Find its area.
Two circles touch each other externally. The sum of their areas is 58π cm2 and the distance between their centres is 10 cm. Find the radii of the two circles.
The given figure shows a rectangle ABCD inscribed in a circle as shown alongside.

If AB = 28 cm and BC = 21 cm, find the area of the shaded portion of the given figure.