Question

Which points are coplanar?

a. C, H, E


b. B, K, H


c. A, B, K


d. A, E, D

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.