Year 12 Maths A - Mid-ordinate rule problem with scale factor

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In this tutorial we find the area of a shape where the scale factor of the drawing is not given to us. Before you can find the area using the mid-ordinate rule, you would have to find the scale factor first, and then use the scale factor to find the field lengths of the measurements, before you put the measurements into the formula.







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mid-ordinate rule scale factor