Definition of Coplanar

A set of points, lines, line segments, rays or any other geometrical shapes that lie on the same plane are said to be Coplanar.

More About Coplanar

    Parallel lines in three-dimensional space are coplanar, but skew lines are not.

Video Examples: What are coplanar points

Example of Coplanar

      EXAMPLE OF Converging Lines
    All the points A, B, C, and D in the plane P are coplanar

Solved Example on Coplanar

Ques: Choose the correct statement/statements.

    1. Points F, A, L, I, C, G, E, O, and B are coplanar.
    2. Points G, E, F, and A are coplanar.
    3. O, A, and B are coplanar.
    4. Points F, A, L, I, C are coplanar.
    example of  Coplanar
    A. 1 and 2 only
    B. 3 and 4 only
    C. 4 only
    D. 1 only
    Correct Answer: C


    Step 1: Corner is a point where two lines meet or intersect.
    Step 2: Here, figure 1 is a square, figure 2 is a circle, figure 3 is a rectangle, and figure 4 is a pentagon.
    Step 3: A square has 4 corners and a rectangle has also 4 corners.
    Step 4: So, figure 1 and figure 3 have 4 corners each.