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The diagram shows the cross-section of an open drain in the shape of a trapezium. The shaded area is the concrete used to make the drain. The two sides and the base of the trapezium are all of length p = 38 cm
Determine the maximum cross-sectional area (in cm3) that the trapezoidal shaped drain can have. Express your answer to one decimal place, but do not include the unit.
Sagot :
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