pentagon
It has 4 corners and 4 sides because it is a quadrilateral polygon
It is a 5 sided pentagon that has 5 corners which are called vertices.
yes
Since you are a quadrangle with square corners, you are a 4-sided polygon with 90° angles, which means you are a rectangle. If all the sides are equal length, you are a square, which is a specific type of rectangle.
A polygon has as many corners (vertices) as it has sides.
19 corners as well.
pentagon
A conclave polygon is an object with x corners where one or more corners has an angle greater than 180 degrees.
it depends on what polygon it is a polygon is any closed figure with no curved sides
A triangle is the only polygon with 3 corners (vertices). There is no polyhedron with 3 corners.
A pentagon is any polygon with 5 sides and 5 corners.
It has 4 corners and 4 sides because it is a quadrilateral polygon
A trapezium has 4 corners and 4 sides because it is a quadrilateral polygon
It is a 5 sided pentagon that has 5 corners which are called vertices.
yes
Since you are a quadrangle with square corners, you are a 4-sided polygon with 90° angles, which means you are a rectangle. If all the sides are equal length, you are a square, which is a specific type of rectangle.