Question

A field is in form of trapezium having parallel sides 30 m and
70 m respectively. Its third side is
perpendicular to the parallel sides
and the fourth side is 50 m long. The
cost of ploughing the field at Rs 3
per square meter in rupees is:

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Answer 1

a friend is the form of that is 11 13 13 and 17 respectively if the third side is perpendicular to the parallel sides