Question

Find the cost of watering a trapezium field whose parllel sides are 10cm and 25cm respactively the perpandicular distance between them is 15cm and the rate of watering is rupee 4 per m/ 2

Answer 1

area of a trapezium
= 1/2×height(sum of parallel sides )

height=15cm
parallel sides =10cm and 25cm

area of trapezium = 1/2×15 (10+25)
=1/2×15 (35)
=15×35/2
=525/2
=262.5 cm^2

1 metre = 4 rupees
262.5×4
=1050

the cost of watering the field is 1050 rupees.

hope it helps and please mark brainliest