The cross-section of a canal is a trapezium. If the canal is 10 m wide at the top, 6 m wide at the bottom and the area of cross-section is 72 sq. m, its depth is Options: A . &nbsp5 m B . &nbsp7 m C . &nbsp9 m D . &nbsp none of these

The cross-section of a canal is a trapezium. If the canal is 10 m wide at the

Question

The cross-section of a canal is a trapezium. If the canal is 10 m wide at the top, 6 m wide at the bottom and the area of cross-section is 72 sq. m, its depth is

Options:

A . 5 m

B . 7 m

C . 9 m

D . none of these

Answer: Option C

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