A self-intersecting regular pentagon (or star pentagon) is called a pentagram. A regular pentagon has Schläfli symbol {5} and interior angles of 108°. It also has five lines of reflectional symmetry, and …

A regular pentagon is a pentagon in which all the 5 sides are of equal length and all the interior angles are of equal measure. Each interior angle of a regular pentagon is equal to 108° and each exterior …

How to construct a Pentagon using just a compass and a straightedge. Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Aug 3, 2023 · When all the five sides and angles of a pentagon are equal, it is called a regular pentagon. Otherwise, it is an irregular pentagon. In our article, we deal with only regular pentagons to better …

Jan 1, 2025 · Because 5 is a Fermat prime, you can construct a regular pentagon using only a straightedge and compass. Draw a line segment AB. [1] Draw two circles, 1 and 2, centred at A and …

Jul 23, 2025 · Regular Pentagon: When all sides and angles are equal, it is called a regular pentagon. In a regular pentagon, each interior angle measures 108°, and the sum of all interior angles is always …

4 days ago · Five regular pentagons can be arranged around an identical pentagon to form the first iteration of the " pentaflake," which itself has the shape of a regular pentagon with five triangular …

Like other polygons, a pentagon can be classified as regular or irregular. Regular pentagon - all sides and interior angles are equal. Irregular pentagon - not all sides and interior angles are equal. The …

3 days ago · Pentagon basics made clear—definition, types, and key angle facts. Want a fast way to spot regular vs irregular shapes and avoid mistakes?

Aug 18, 2025 · For a regular pentagon, all the interior angles are equal: This means that the exterior angle of a regular pentagon is: A regular pentagon has 5 lines of symmetry. This means that it can …