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°. A pentagon may be simple or self-intersecting. A self-intersecting regular pentagon (or …

2023年8月3日 · A pentagon is a closed and flat geometrical shape having five straight sides and five angles. The word ‘pentagon’ came from the Greek word ‘pente’ meaning ‘five’ and ‘gonia’ meaning ‘angle’.

In geometry, a pentagon is a five-sided polygon with five straight sides and five interior angles, which add up to 540°. Learn more about Pentagon, Regular and Irregular Pentagons and their shape with Formulas, Definitions, Examples, Properties, Area, Perimeter, etc.

A pentagon shape has five diagonals connecting the five vertices to their opposite vertices. In a regular pentagon, each interior angle measures 108°, and each exterior angle measures 72°. The sum of all the five interior angles in any pentagon is 540°.

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.

2024年10月24日 · 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 remaining parameters will be calculated on the spot.

What is the pentagon shape? A pentagon shape is a five-sided polygon that has five straight sides, five vertices and five equal interior angles. There are different types of pentagons. A regular pentagon is a geometric shape with 5 5 equal sides that …

Learn all about the 5-sided shape that’s so fun, they named a government building after it. Pentagons are 5-sided polygons – “Penta” means “five,” so it’s easy to remember how many sides you’re dealing with when you see the word “pentagon.”

2024年12月6日 · A Pentagon is a 2D shape featuring five sides and five interior angles. Its key properties include: The sum of the interior angles in a Pentagon is always 540°.

2017年3月21日 · A pentagon is a geometric shape with five sides and five angles. In a regular pentagon, all sides are of equal length and all angles are equal, each measuring 108 degrees. Pentagons can be found in various contexts, from architecture and design to natural forms.