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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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 26, 2021 05:08 AM

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The vertices of triangle ABC are A(-k, - 2), B(k, - 4) and C(4, k 2).

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The slope of line AB can be found using the coordinates of points A and B ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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