Solution: How many diagonals are there in a polygon of 20 sides?

How many diagonals are there in a polygon of 20 sides? How to find the number of diagonals of a polygon given the sides?

How many diagonals are there in a polygon of 20 sides?

Problem Statement:

How many diagonals are there in a polygon of 20 sides?

Problem Answer:

The number of diagonals of a polygon is 170.

Solution:

Online Questions and Answers in Plane Geometry


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