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The shaded region on the graph below shows a piece of land ABCD earmarked for building a sub-county hospital.
a). Write down the ordinates of curves AB and DC for x = 0, 200, 400, 600, 800, 1000 and 1200 (2 marks)
b). Use trapezium rule, with 6 strips to estimate the area of the piece of land ABCD in hectares. (4 marks)
c). Use mid-ordinate rule with 3 strips to estimate the area of the piece of land, in hectares (4marks).