Question

the cross section of a canal of depth 9 m is in the form of a trapezium. if the width of the top of the canal is 4m longer than its base and the area of cross section is 72 m², then find the dimensions of top and bottom of the canal​

Answer 1

Answer:

Hii

Area of trapezium=1/2(a+b)×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 .

72 m =1/2(9+4)×height

now u can find

ok

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Step-by-step explanation:

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