Question: the cross - section of a cannel is a trapezium in shape . if the cannel is 5 m wide at the top and 3 m wide at the bottom and the area of cross - section is 3800 sq m , the depth of cannel is ?
A) 920
B) 930
C) 940
D) 950
E) 960
Correct answer: d
Grade: 6 | Topic: Geometry | Difficulty: Medium | Standard: 6.G.A.1