Closed Figure
Definition of Closed Figure
If the start and end points of a figure are same, then it is called a Closed Figure.
More About Closed Figure
 At least three lines or sides are required to form a closed polygon.
Video Examples: Classification Of Triangles  An Introduction / Maths Geometry
Example of Closed Figure
Solved Example onClosed Figure
Ques: Identify the closed figure from the following?
Choices:
A. Figure 1B. Figure 2
C. Figure 3
D. Figure 4
Correct Answer: B
Solution:

Step 1: The start and end points of figures 1 and 4 are not same.
Step 2: In figure 3, two lines are intersecting. So, it is not a closed figure.
Step 3: Here, only figure 2 has the start and end points same.
Step 4: So, figure 2 represents a closed figure.
Translate :