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Concave Polygon. If one or more interior angles of a polygon are more than 180 degrees, then it is known as a concave polygon. A concave polygon can have at least four sides. The vertex points towards the inside of the polygon. However, a number of polygons are defined based on the number of sides, angles and properties. Angles of Polygon
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An ellipse is a curve on a plane (or flat surface) surrounding two focal points. A straight line drawn from one focal point to any point on the curve and then to the other focal point has the same length for every point on the curve.
Complex Polygon – Complex polygon is a polygon whose sides cross over each other one or more times. Sum of Angles of a Polygon. 1. Sum of the interior angles of a polygon: Sum of the interior angles of a polygon with n sides = (n – 2) × 180° For example: Consider the following polygon with 6 sides. Here, ∠a + ∠b + ∠c + ∠d + ∠e ...
- A diagonal of a polygon is a line segment connecting two non-consecutive vertices (corners).
- A Regular polygon has all sides of equal length and each angle also measures equal.
- Polygon is a closed shape made up of straight-line segments. The circle is a closed figure but it is made of a curve. So, a circle is not a polygon.
- A polygon must have a minimum of three sides.
- No, polygons have the same number of sides and angles because they are closed figures with non-intersecting lines.
Jan 2, 2022 · A shape with only straight sides as edges is called a polygon (POL-ee-gone). Polygons must have at least three sides, thus the polygons with the fewest number of sides are triangles. Circles and semicircles are not polygons because they have curved sides. When all the sides of a polygon are equal, it is equilateral (ee-quee-LAH-teh-roll).
A convex polygon has no angles pointing inwards. More precisely, no internal angle can be more than 180°. More precisely, no internal angle can be more than 180°. If any internal angle is greater than 180° then the polygon is concave .
Plane curves are basically classified into 2 types i.e. open curve and closed curve. The (plane) curves that consist of different starting and endpoints are known as open curves while the curves that consist of the same starting and endpoints are called closed curves. However, there is one more type of plane curve which is called a simple curve.
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Polygons are most commonly discussed plane shapes apart from circles. In geometry, a polygon can be defined as a flat or plane, two-dimensional closed shape bounded with at least three sides. It does not have curved sides. The sides of a polygon are also called its edges. The points where two sides meet are the vertices (or corners) of a polygon.
