The vertices of triangle ABC are A(-k, - 2), B(k, - 4) and C(4, k 2).
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The vertices of triangle ABC are A(-k, - 2), B(k, - 4) and C(4, k – 2). Find the possible values of k if angle ABC is 90°.
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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