Points, Lines, Rays, and Angles

What is a vertex? 

• It is a point.
• It is not a side.
• It is a corner or a point where lines meet.
• It is where the lines are parallel to each other. 

Is this a polygon?

• yes
• no

Tags

CCSS.2.G.A.1

Why is a circle not a polygon?

• It has one angle.
• It is too wide.
• It has no sides or angles.
• It is not a triangle.

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

What is a polygon?

• A closed plane figure made up of line segments
• An open plane figure made up of line segments
• A closed plane figure made up of rays
• An open plane figure made up of rays

Tags

CCSS.2.G.A.1

What is a line segment?

• Part of a line with 2 endpoints
• Part of a line that has 1 endpoint
• Part of a line with 0 endpoints
• Part of a line with 5 endpoints

Tags

CCSS.HSG.CO.A.1

What is a ray?

• Part of a line with 2 endpoints
• Part of a line with 1 end point and goes on forever 
• Part of a line with 0 endpoints
• Part of a line with 5 endpoints

Tags

CCSS.4.G.A.1

What is a point?

• a straight path
• an exact location
• endless flat surface
• lines that cross

Tags

CCSS.HSG.CO.A.1

What is a line?

• a straight path of points that goes on and on in two directions
• an endless flat surface
• an exact location in space
• lines that never intersect

Tags

CCSS.4.G.A.1

Blue outline is an example of...

• Angle
• Line
• Point
• Line segment

Tags

CCSS.4.G.A.1

Two rays that have a common endpoint.

• Ray
• Angle
• Line
• Point

Tags

CCSS.4.G.A.1