Question

2. Find the cost of levelling the ground which is in the form of a triangle having length of its sides as 75 m, 65 m and 70 m at the rate of 5 per m? 1​

Answer 1

Answer:

s=  

2

51+37+20

​

=  

2

108

​

=54

Area of the triangle=  

54(54−51)(54−37)(54−20)

​

 

=  

54(3)(17)(34)

​

=  

93636

​

 

Area = 306m  

2

.

Cost of levelling at Rs.3 per m  

2

=306(3)=Rs. 918