**What Shapes Has 5 Sides** – A pentagon is a flat shape or flat (two-dimensional) five-sided geometry. In geometry, the sum of 5 straight sides and 5 interior angles is considered a 5-sided polygon with a maximum of 540°. Pentagrams can be simple or self-cut. A simple pentagon (five sides) must have 5 straight lines that meet but do not intersect to form 5 vertices. A self-intersecting regular pentagon is called a pentagon.

A pentagon is a two-dimensional geometric shape with 5 sides and 5 angles. The definition of a pentagonal shape is derived from the Greek words “Penta” meaning five and “gon” meaning angle. A pentagon is a five-sided polygon. The home plate seen in a baseball field is an example of a pentagonal shape.

## What Shapes Has 5 Sides

The pentagonal formula will help you learn all about the shape of a pentagon. From the general formula for polygons we get the following formula for pentagons:

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A pentagon has 5 non-overlapping straight lines. If the five sides of a shape are not connected or if one side of the shape is curved, it is not a pentagon. According to the definition of a pentagon, a pentagon has 5 angles.

We pass through many pentagon-shaped objects in our daily life. Here is an example of a regular and irregular pentagonal shape. You can learn more interesting facts about pentagon shapes by looking at examples of pentagon shapes such as okra, symmetrical starfish and other similar objects.

The area of a pentagon is the area it occupies. To find the area, we need to know what pentagons we have and what information we know about them. A regular pentagon can be divided into 5 triangles.

An apothem is a line drawn from the center of a polygon perpendicular to one of its sides. Also called the radius of a pentagon.

### Types Of Polygons (video) 17 Different Types & Examples

Consider a triangle POQ where OA = apothem and OA is perpendicular to PQ. Let’s say each side is 6 inches long. Consider a right triangle POA. OP = hypotenuse and AP = half side of pentagon = 3 inches

The perimeter of a regular or irregular pentagon is the distance around the pentagon. So it is the sum of the sides.

If all sides of a regular pentagon are the same size, then the perimeter of the regular pentagon = 5 × units of sides

If each side is 6.3 feet, then the perimeter of the pentagon = 5 × 6.3 = 31.5 feet.

### Counting Sides On Shapes Worksheet

According to the size of the angle and the sides of the pentagon, it is divided into regular pentagons, irregular pentagons, convex pentagons and concave pentagons. The table shows the differences between the pentagons.

See the image below to visualize regular and irregular pentagons along with the other two types of pentagons and convex pentagons.

Mathematics is no longer a difficult subject, especially when understanding concepts through visualization.

A two-dimensional figure with five sides is called a pentagon. In other words, it is called a five-sided polygon.

#### D Shapes Quizzes

A pentagon is called a pentagon. If all five sides are the same, it is called a regular pentagon, and if the two sides are different in size, it is called an irregular pentagon. A hexahedron, on the other hand, is a hexagon and an octagon has 8 sides.

No, a pentagon is a pentagon, not a parallelogram. A parallelogram has only 4 sides.

A quadrilateral and a pentagon are both closed polygons whose exterior angles add up to 360°.

A regular pentagon has 5 lines of symmetry. Irregular pentagons have no lines of symmetry.

### Cool Shapes You Didn’t Know About

A regular pentagon has 0 parallel lines, but an irregular pentagon can have 2 (1 pair) or 4 (2 pairs) parallel lines.

A pentagon has five angles. In a regular pentagon, all five interior angles are 72º.

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