The cross-section of a canal is a trapqzium in shape. If the canal is 10 m wide at the top 6 m wide at the bottom and the area of cross-section is 72 m 2 determine its depth.

Question

Philoid · Accepted Answer

Length of parallel sides of trapezium = 10m and 6m

Distance between parallel sides of trapezium = x meter

Area of trapezium =

72 =

Therefore depth of river is 9m

The cross-section of a canal is a trapqzium in shape. If the canal is 10 m wide at the top 6 m wide at the bottom and the area of cross-section is 72 m2 determine its depth.

The cross-section of a canal is a trapqzium in shape. If the canal is 10 m wide at the top 6 m wide at the bottom and the area of cross-section is 72 m² determine its depth.