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Using a ruler...

Question

Using a ruler, check whether the following points given in Fig. 10.20 are collinear or not:

(i) D, A and C
(ii) A, B and C
(iii) A, B and E
(iv) B, C and E

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Solution

From the given figure, we can observe that:

(i) D, A and C are collinear points.
(ii) A, B and C are non-collinear points.
(iii) A, B and E are collinear points.
(iv) B, C and E are non-collinear points.

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