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Find the equation of the line that is perpendicular to $CD$ and passes through the point $(1, 3)$. Give your answer in the form $y = mx + c$.
Mathematics 0580 · IGCSE · Perpendicular lines
Find the equation of the line that is perpendicular to $CD$ and passes through the point $(1, 3)$. Give your answer in the form $y = mx + c$.