A polygon with five sides is known as a:

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Hexagon

Quadrilateral

Triangle

Pentagon

answer is D.

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Detailed Solution

Concept- A polygon is a geometric object with two dimensions and a finite number of sides. A polygon's sides or edges are created by connecting end to end segments of a straight line to create a closed shape. Vertex or corners refers to the intersection of two-line segments, which produces an angle. A polygon is referred to as a regular polygon if its sides are congruent.
An n-sided polygon's internal angles can be calculated as

In a polygon with n sides, the number of diagonals is equal to

.
The number of triangles created when a polygon's diagonals are joined is equal to

Each interior angle of an n-sided regular polygon is measured by

An n-sided regular polygon's outer angles are individually measured as

"Regular Polygon" refers to any closed form with three or more sides that are all of the same length.
The polygon with 5 sides is known as pentagon
Hence, the correct answer is option 4.

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