find the cost of watering a trapezoidal field whose parallel sides are 10m and 25m respectively the perpendicular distance between them is 15cm and the rate of watering is ₹4per m×m
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area of trapezium =1\2×sum of parallel
side ×height
=1\2×35×0.15
21\8 m×m
cost of watering field = Rs 21\8×4
=21\2
=Rs 10.5
side ×height
=1\2×35×0.15
21\8 m×m
cost of watering field = Rs 21\8×4
=21\2
=Rs 10.5
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