Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of rupee 7 per `m^(2)`.

Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs 7per m^2

Find the cost of fencing a triangular garden with sides 20m, 24 m and 32 m at the rate of 142 per metre.

Find the area of a triangular field whose sides are 78 m, 50 m and 112 m.

Find the cost of fencing a rectangular park of length 150 m and breadth 50 m at the rate of Rs 10 per metre.

Find the cost of fencing a square field of side 35m at the rate of rupees 40 per metre.

The cost of levelling the ground in the form of a triangle havin the sides 51 m, 37m and 20 m at the rate rupee 3 per m^(2) is rupee 918.

Find the cost of flooring a room 6.5 m by 5m with square tiles of side 25 cm at the rate of rupes 4.70 per tile.

Find the cost of fencing a regular octagonal field with each side measuring 15 m at the rate of Rs. 34 per metre.

A path 1 m wide is built along th eborder and inside a square garden of side 30m. Find: the cost of planting grass in the remaining portion of the garden at the rate of Rs.40 per m^2 .

In a triangular field having sides 30 m, 72 m and 78 m, the length of the altitude to the side measuring 72 m is