Faces.
true
They form a vertex of the polygon.
A polygon is formed by three or more sides. there is no specific figure.
The polygon is a Quadrilateral.
An internal angle of the polygon.
A polygon
It is not a solid figure because an icosagon is a polygon with 20 sides
polygon
either an obtuse, acute, or right angle
Yes, there is a relationship between a polygon's number of sides and the number of triangles that can be formed within it. For a polygon with ( n ) sides, you can divide it into ( n - 2 ) triangles through triangulation. This means that as the number of sides increases, the number of triangles formed also increases linearly according to the formula ( n - 2 ).
The interior angle of a polygon is the angle formed by two adjacent sides of a polygon where the angle lies inside the area formed by the polygon. The exterior angle is that formed by one of these sides and the line formed by extending the other side. Consequently, External angle = 180 deg - Internal angle. Because they form supplementary angles, it does not matter which of the two sides you extend.
The number of diagnol formed by a convex polygon having N sides is {N*(N-1)/2} - N .