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OpenStudy (anonymous):
What is the volume of this trough: A water trough is 5 m long and in the cross sectional shape of an isosceles trapezoid. The trough is 30 cm deep, 30 cm along the bottom and 50 cm along the top. The water is flowing into the trough at a rate of 225 cm3/min.
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OpenStudy (anonymous):
I got the cross section's area
OpenStudy (anonymous):
a=1/3h^2+30h
OpenStudy (anonymous):
but not sure how you get the volume
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