Question

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

Answer 1

Answer:

64800

Step-by-step explanation:

As it is a right angled triangle. Area= 1/2 * base * height

Area= 1/2 * 90 * 120

         = 5400 m sq

Rate= Rupees 12/ m sq

Cost= Rate  X  Area

         12/ m sq  X  5400 m sq

        = Rupees 64800