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A ten-sided polygon is called a decagon.
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You could draw four different triangles in a 4-sided polygon, but two are enough to define the polygon.
A 5-sided polygon is called a pentagon. You can draw up to 5 diagonals in a pentagon.
30 of them
The name of a 20 sided polygon is Icosagon.
Yyghhii
A ten-sided polygon is called a decagon.
Draw a nine sided polygon.
A person can draw a five-sided polygon by drawing a pentagon. This is the figure that looks like a house.
There is no such thing as a 2-sided polygon.
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There is no such thing as a two-sided polygon.
You could draw four different triangles in a 4-sided polygon, but two are enough to define the polygon.
A 5-sided polygon is called a pentagon. You can draw up to 5 diagonals in a pentagon.
20.
30 of them