Calculate the surface areas of the following and draw and label the dimensions: a. Triangle b. Trapezium c. Canal Height = 0.8m, base= 0.3m Height = 20 cm, base 10.8 cm, top-16 cm Height = 1m, top width 2.6 m, bottom width = 1.2m d. Canal's wetted cross section when in addition to c above is given that the water height is 0.8 m and the top width of the water surface is 2.32 m.

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