Question

The cross section of a canal is a trapezium in shape. If the canal is 8m wide at the top and 10m wide at the bottom and the area of cross section is 72 sq.m,determine it's depth

Answer 1

area of traps=1/2×sps×h
72=1/2×18×h
72/9=h
h=8
there fore depth is 8m

Answer 2

I hope this helps you