Question: the cross - section of a cannel is a trapezium in shape . if the cannel is 6 m wide at the top and 4 m wide at the bottom and the area of cross - section is 10290 sq m , the depth of cannel is ?
A) 258
B) 260
C) 262
D) 264
E) 266
Correct answer: A
Grade: 6 | Topic: Geometry | Difficulty: Hard | Standard: 6.G.A.1