Question

A feild is in the shape of a trapezium having parallel sides 90m and 30m. These sides meet the third side at the right angles. The lenght of the fourth side is 100m. If it costs rs.4 to plough 1m sq of the field, find the total cost of ploughing the field

Answer 1

Ar. = 4800m^2
Cost of 1m^2= Rs. 4
Cost of 4800m^2=Rs. (4800×4)
=Rs. 19200
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