the shape of the cross-section of a canal is a trapezium . if the canal is 10 m wide at the bottom and the area of its cross-section in 640 m^2 , find the depth of the canal.
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the shape of the cross-section of a canal is a trapezium . if the canal is 10 m wide at the bottom and the area of its cross-section in 640 m^2 , find the depth of the canal.
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Step-by-step explanation:
width at the top is not given
Correction in the given question:-
The shape of 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 its cross section is 640 m2 , find the depth of the canal.
Solution:-
Area of the canal =
Area of trapezium = x (Sum of parallel sides) x (Distance between them)
640 = x (10+6) x h
= h
h = 80 m
Therefore, the depth of the canal is 80 m.