Question

Which points are coplanar?

Answer 1

I believe it may be D

Answer 2

Coplanar points are three or more points which lie in the same plane .A plane is a flat surface which extends without end in all directions. A set of points, lines, line segments, rays or any other geometrical shapes that lie on the same plane are said to be Coplanar.In the above figure given :Among all the options given a)C, H, E    b)B, K, H        c). A, B, K  are not lying in the same plane .

Points A, E, D are lying in the same plane and hence are coplanar.

Option D is the right answer.