Pentagon sides Learn more about the angles in a pentagon through the solved A pentagon is a polygon with five sides. Jul 23, 2025 · The pentagon is a two-dimensional polygon with five straight sides and five interior angles. All regular pentagons have the same shape, like this: An irregular pentagon is a 5 sides shape where not every side and angle are equal. A regular pentagon has 5 equal edges and 5 equal angles. A regular pentagon is a regular polygon with five sides and five angles congruent. In a regular pentagon, all sides are of equal length and all angles are equal, each measuring 108 degrees. A concave polygon, to the contrary, does have one or more of its interior angles larger than 180°. A pentagon is a polygon with five sides and five angles. In a regular pentagon, each interior angle measures 108°, and the sum of all interior angles is always 540°. This point Mar 21, 2017 · A pentagon is a geometric shape with five sides and five angles. A pentagon is regular when all its Pentagon shape math topic guide. A pentagon is a five-sided polygon. This five sided shape has five straight sides and five interior angles, which add up to 540°. . The figure below shows 3 examples of what a pentagon looks like: One famous example of a pentagon is The Pentagon, near Washington, D. Derived from the Greek words “penta,” meaning “five,” and “gonia,” meaning “angle,” the Pentagon is defined by its distinctive five straight sides and five interior angles. Learn about pentagons, 5-sided polygons with straight sides. Find out how to calculate its perimeter and area using formulas, and explore its types and real life examples. The sum of all the interior angles of any regular pentagon equals 540° and sum of all the exterior angles of any regular pentagon equals 360°. What is a pentagon In geometry, a pentagon is a closed 2D shape that has 5 sides and 5 angles. ; it is one of the world's May 29, 2023 · The Pentagon, as a geometric shape, is a polygon with five sides that holds a unique place in the realm of mathematics and geometry. When convex, the pentagon (or any closed polygon in that matter) does have all its interior angles lower than 180°. Each exterior angle of a regular pentagon equals 72° and each interior angle of a regular pentagon equals 108°. (In this article, we use the term "regular pentagon" to describe a regular simple pentagon). One method to construct a regular pentagon in a given circle is described by Richmond [3] and further discussed in Cromwell's Polyhedra. In addition to regular pentagons, there are also irregular pentagons, where the sides and angles may not be equal. Figuring out the area of irregular pentagons is a bit tricky 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. A regular simple pentagon has all five sides equal in length. Figuring out the area of irregular pentagons is a bit tricky Jan 16, 2023 · Definition Properties Types Examples Perimeter and area Pentagon definition In geometry, a pentagon is a five-sided polygon with five straight sides and five interior angles that sum up to 540°. Pentagon is a 5-sided polygon. It is a type of polygon with 5 straight sides and 5 interior angles. Includes definition, types, properties, examples, practice questions, teaching tips, and a free worksheet! Aug 18, 2025 · A pentagon is a flat shape with 5 straight sides. C. These segments are called its edges or sides, and the points where two of the edges meet are the polygon's vertices (singular: vertex) or corners Pentagon Shape A pentagon shape is a 5 sided polygon. A pentagon shape is a plane figure, or flat (two-dimensional) 5-sided geometric shape. A pentagon can be simple or self-intersecting. Its center is located at point C and a midpoint M is marked halfway along its radius. ” Finding the perimeter of a regular pentagon is easy – Since regular pentagons have equal sides, just multiply the length of the sides by 5 to find the answer. Mar 1, 2024 · Definitions Pentagon is a polygon with five sides and five vertices. Find out how to identify regular and irregular pentagons, convex and concave pentagons, and how to make a regular pentagon with a strip of paper. Let us learn more about the pentagon shape, the pentagon properties, pentagon shape objects, and some pentagon shape examples in this article. Pentagon shape A pentagon is a five-sided polygon; there are a few different pentagon shapes. A pentagon may be either convex or concave, as depicted in the next figure. A pentagon is a five-sided two-dimensional polygon with five angles. It’s symmetrical design and balanced proportions have intrigued Definition of pentagon explained in detail along with parts of a pentagon. The sum of the internal angles in a simple pentagon is 540°, so every internal angle is equal to 108°. Learn the difference between regular and irregular pentagons, and see examples of other polygons with different numbers of sides. [4] The top panel shows the construction used in Richmond's method to create the side of the inscribed pentagon. Aug 3, 2023 · Learn about the pentagon, a closed and flat shape with five sides and angles. There are many different irregular pentagon shapes, here is an 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. Regular and irregular pentagons A regular pentagon is a 5-sided shape where every side is the same length and every corner has the same angle. The circle defining the pentagon has unit radius. A ‘pentagon’ is a two-dimensional geometric shape. Pentagons can be found in various contexts, from architecture and design to natural forms. Also get to learn about the different types of pentagon and its properties. The study of Pentagon A pentagon is a five-sided polygon. In geometry, a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain. There are two main types of pentagons: Regular Pentagon: When all sides and angles are equal, it is called a regular pentagon. mciqqwvrznuftegyeisgehpkbjfrtdjtjeehgzqbcpyhhzkwydipnezwqrdefgbkhqpwxnfg