Question

the cost of watering a trapezoidal field whose parallel sides are 10 M and 20 m respectively the perpendicular distance between them is 15 CM @ watering is 4 rupees 4 per metre square

Answer 1

area of trapezium. =1/2*(10+20)*15
=225m sq.


cost of watering 225 m sq. = 4*225
=rs 900