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What is a 20 sided shape called?
In geometry, a polygon is a closed two-dimensional figure with three or more straight lines.
Answer: A 20 sided polygon is called Icosagon.
The Greek word ‘Polygon’ consists of Poly meaning ‘many’ and gon meaning ‘angle.’
Explanation:
A 20 sided shape (polygon) is called Icosagon.
Interior angle of any regular polygon =180[(n−2)/n]
Interior angle of any regular Icosagon = 180(20 - 2)/20 = 162°
The sum of all the interior angles of a regular Icosagon is 3240°.