Question

a field is in the form of a right triangle with sides 90 m and 120 m respectively containing the right angle. calculate the cost of levelling the fiels at the rate of ₹12 per square m.​

Answer 1

Answer:

Step-by-step explanation:

$ab^{2} +bc^{2} =ac^{2}$

The hypotenuse = 130

area=1/2 * base * height

      =1/2 * 120 * 90

      =5400 metre square

cost = 5400 * 12

       = ₹64800