Discover the properties and classifications of polygons, multi-sided 2D shapes with sides, vertices, and angles. Learn about closed shapes, types of polygons based on the number of sides, and the distinction between regular and irregular polygons.

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Questions and Answers

Which of the following is a key characteristic of polygons?

They must be closed shapes

What distinguishes regular polygons from irregular polygons?

Regular polygons have equal angles

Which of the following is NOT an example of a polygon?

Circle

How many sides does a hexagon have?

<p>6</p> Signup and view all the answers

What property is essential for a shape to be classified as a polygon?

<p>Having vertices and angles</p> Signup and view all the answers

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Study Notes

Polygons are multi-sided shapes with sides, vertices, and angles, and they are 2-dimensional or flat shapes.
For a shape to be considered a polygon, it must be closed, meaning that the sides are connected with no gaps.
Examples of polygons include squares, stars, and pentagons, while shapes like circles and 3D objects are not polygons.
Special names are given to polygons based on the number of sides they have: triangles (3 sides), quadrilaterals (4 sides), pentagons (5 sides), hexagons (6 sides), and octagons (8 sides).
Regular polygons have equal angles, while irregular polygons have unequal angles.
Understanding polygons and their properties is essential in geometry, and they play a crucial role in various mathematical concepts.
By identifying the characteristics of polygons, individuals can distinguish between polygons and non-polygons in different shapes and figures.