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Determine an expression for the area of $\triangle QCA$ in terms of $p$. Your answer should be simplified as much as possible.

 Feb 26, 2021
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QC =  12 - p     (b)

QA = 2              (h)               area = 1/2 b* h =   1/2  (12-p) * 2 = 12-p

 Feb 26, 2021

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