Geometry Definitions Unit 4

Define the term 'Polygon'.

• A closed figure with three or more straight sides

• A shape with curved sides

• A figure with only two sides

• A line segment

What are 'Adjacent Sides'?

• Sides that are next to each other

• Sides that are opposite to each other

• Sides that are parallel to each other

• Sides that are equal in length

A 'Convex Polygon' is a polygon where:

• All interior angles are less than 180 degrees.

• At least one interior angle is greater than 180 degrees.

• All sides are of equal length.

• It has at least one pair of parallel sides.

A 'Concave Polygon' is a polygon that:

• Has all interior angles less than 180 degrees

• Has at least one interior angle greater than 180 degrees

• Has all sides of equal length

• Is a three-sided polygon

Define the term 'Triangle'.

• A polygon with four sides

• A polygon with three sides

• A polygon with five sides

• A polygon with six sides

Define the term 'Quadrilateral'.

• A polygon with four edges and four vertices.

• A polygon with three edges and three vertices.

• A polygon with five edges and five vertices.

• A polygon with six edges and six vertices.

The term 'Pentagon' is defined as:

• A five-sided polygon

• A six-sided polygon

• A seven-sided polygon

• A four-sided polygon

A hexagon is a polygon with how many sides?

• Four

• Five

• Six

• Seven

A Heptagon is defined as:

• A polygon with six sides

• A polygon with seven sides

• A polygon with eight sides

• A polygon with nine sides

An 'Octagon' is defined as:

• A polygon with six sides

• A polygon with seven sides

• A polygon with eight sides

• A polygon with nine sides