A field is in the shape of a trapezium having parallel sides 90 m and 30 m. These sides meet the
Channel: Doubtnut
Date: 2020-01-19

A field is in the shape of a trapezium having parallel sides 90 m and 30 m. These sides meet the third side at right angles. The length of the fourth side is 100 m. If it costs ruppe 4 to plough 1 `m^(2)` of the field, find the total cost of ploughing the field.