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
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.
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.