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.

Write True or False and justify your answer: The cost of levelling the ground in the form of a triangle having the sides 51 m , 37 m and 20 m at the rate of Rs 3 per m^(2) is Rs 918 .

Prove that the cost of levelling the ground in the form of a triangle having the sides 51 m, 37 m and 20 m at the rate of Rs 3 per m^2 is Rs. 918.

Find the cost of fencing the ground in the form of triangle with sides 16m, 12m and 18m, the rate of fencing is Rs. 25 per meter.

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 rupee 7 per 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 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 leveling a ground at the rate of Rs 12 per square metre if it is 45 m long and 30 m wide

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

The cost of leveling a triangular piece of land whoses sides are 72 m , 30 m and 78 m respectively at the rate of 20 paisa per square metre is :