Topic Content:
- Types of Polygons
- Interior Angles of a Polygon
- Exterior Angles of a Polygon
We have other types of polygons aside from triangles and quadrilaterals.
Examples are
| Polygon | Number of sides |
| Pentagon | 5 sides |
| Hexagon | 6 sides |
| Heptagon | 7 sides |
| Octagon | 8 sides |
| Nonagon | 9 sides |
| Decagon | 10 sides |
Types of Polygons:
Regular Polygon: A regular polygon is a polygon with its sides and angles equal.
Irregular Polygon: These are polygons with unequal lengths of sides and angles.
Convex: A convex polygon has all its interior angles either acute or obtuse i.e less than 180°.
Concave Polygon: In a concave polygon at least one of its interior angles is reflex.
Interior Angles of a Polygon:
The interior angles of a polygon are the angles inside the polygon. A polygon has the same number of sides as the number of angles inside it.
Formulae:
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