Question

a triangular field has the base measuring 45m and the height measuring 20m what amout of money is required to fill the field with water at rate of rs25 per sq m

Answer 1

Base = 45m Height = 20m Area of the field =(base* height)/2 = 45*20/2 =450 square meters Water 1sq meter cost = Rs 25 Cost of 450 sq meters = 450*25 = Rs 11250

Answer 2

area=1/2 * 45 * 20
       =450 sq.m.

cost = 450*25
        = 11250