In geometry, a pentagon (from Greek πέντε (pente) 'five' and γωνία (gonia) 'angle'[1]) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°.

Pentagon Shape A pentagon shape is a 5 sided polygon. This five sided shape has five straight sides and five interior angles, which add up to 540°. Let us learn more about the pentagon shape, the …

Jul 23, 2025 · A Pentagon can be thought of as composed of three triangles. Therefore, the Total Sum of Angles in a Pentagon is equivalent to the sum of angles in three triangles, which is 3 times the …

With this pentagon calculator, you'll find essential properties of a regular pentagon: side, diagonal, height, perimeter, and area, as well as the circumcircle and incircle radius. Type any value, and the …

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

A regular pentagon has 5 lines of symmetry and a rotational symmetry of order 5. This means that it can be rotated in such a way that it will look the same as the original shape 5 times in 360°.

Pentagon shape math topic guide. Includes definition, types, properties, examples, practice questions, teaching tips, and a free worksheet!

Aug 18, 2025 · If you slice an apple in half horizontally and look at the cross section of its core, it forms a five pointed star whose points make a pentagon. Many flowers have five leaves, forming a pentagon …

A 2D polygon with five sides and five angles is called a pentagon. “Penta” means “five”, and “gon” translates to “angles” in Greek, and hence when we combine both words “penta + gon”, we get the …

A pentagon is a five-sided shape with five angles and five sides that connect to form a single shape. It's often used in architecture, engineering, and mathematics due to its strong structure.