Vertex of a Polygon
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Definition of Vertex of a Polygon
Vertex of a Polygon is the common endpoint at which any two of its adjacent sides meet.
More About Vertex of a Polygon
 The number of vertices of a polygon is equal to the number of its sides.
 In other words, it is a corner of a polygon.
Video Examples: Find the Vertices of a Polygon of Constraints
Example of Vertex of a Polygon
Solved Example on Vertex of a Polygon
Ques: Find the number of vertices in an isosceles triangle.
Choices:
A. 5B. 6
C. 3
D. 4
Correct Answer: C
Solution:

Step 1: Vertex of a polygon is the common endpoint at which two adjacent sides of
a polygon meet
Step 2: The number of vertices in an isosceles triangle is 3.
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