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Question: Refer the figure to answer the questions.
(i). Are points K, E and F collinear?
(ii). Are points A, L, D and B coplanar?



A ) (i) yes (ii) no
B ) (i) no (ii) no
C ) (i) yes (ii) yes
D ) (i) no (ii) yes

Steps to derive

1 The points that lie on the same line are called collinear points.

2 Since points K, E and F does not lie on the same line, they are not collinear.

3 The points that lie on the same plane are called coplanar points.

4 The points A, L, D and B lie on the same plane. So, they are coplanar.



Hence the right answer is Option D

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