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The cross-section of a canal is trapezium in shape. The canal is 12 m wide at the top and 8 m wide at the bottom. If the area of the cross-section is 840 sq. m, the depth of the canal is

(a)

8.75 m

(b)

42 m

(c)

63 m

(d)

84 m



Question ID - 50481 | SaraNextGen Top Answer

The cross-section of a canal is trapezium in shape. The canal is 12 m wide at the top and 8 m wide at the bottom. If the area of the cross-section is 840 sq. m, the depth of the canal is

(a)

8.75 m

(b)

42 m

(c)

63 m

(d)

84 m

1 Answer
127 votes
Answer Key / Explanation : (d) -

 (sum of  sides) depth = its area.

 

 m.

127 votes


127