The cross section of a canal is in the shape of a trapezium. The canal is 12m wide at the top and 8m wide at the bottom and the area of the cross section is 100m². Determine the depth of the canal
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Answer:
1/2×sum of base×height=
1/2×12+8×height equal to 100m square
=10×height eq
ual to 100 square=height =10metre
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