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rea of the.BAD S. ina thetrapezium.28 m15 m90°40 m3. The cross-section of a canal is a trapeziuin shape. If the canal is 15 m wide at thetop and 10 m wide at the bottom and thearea of the cross-section is 125 m2, find thedepth of the canal. In the adjoining 5 cme, are parallel sidesfigure, AB and DC41 cm |
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Answer» 3)Area of a trapezium = 1/2 (b + a) h where a and b are parallel sides and h is the altitude or distance between a and b. In a canal, the floor of canal and the top water surface are parallel. Height of trapezium is the depth of canal. 125 meters = 1/2 ( 10+ 15) HeightHeight = 250/25 = 10 meters hit like if you find it useful |
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