(c) The cross-section of a canal is shown in figure (iii) given below. If the canal is 8 m wide at the top and 6 m wide at the bottom and the area of the cross-section is 16.8 m², calculate its depth.

Question

(c) The cross-section of a canal is shown in figure (iii) given
below If the canal is 8 m wide at the top and 6 m wide at the
bottom and the area of the cross-section is 16 8 m2,
calculate its depth

Ankita Agarwal · Accepted Answer

Dear Student,

Area of trapezium = Half the sum of parallel sides×Perpendicular distance betwwen the parallel sidesArea of trapezium = 16
8 m216 8 = 12×8+6×h16
8 = 12×14×h16 8=7×hh=16
87 = 2 4m

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(c) The cross-section of a canal is shown in figure (iii) given below. If the canal is 8 m wide at the top and 6 m wide at the bottom and the area of the cross-section is 16.8 m2, calculate its depth.

(c) The cross-section of a canal is shown in figure (iii) given below. If the canal is 8 m wide at the top and 6 m wide at the bottom and the area of the cross-section is 16.8 m², calculate its depth.