What is a line?

 “A straight collection of points extending in opposite directions without end”  IOW-A line goes on and on without end

What is a line segment?

 A line segment is a part of a line with an endpoint at each end.

What is a ray?

 A ray begins at a point and continues in ONE direction without end.

What does parallel mean?

 Lines and segments that go in the same direction and stay the same distance apart are said to be “parallel”.

What does “intersect” mean?

 When lines or segments intersect, they simply cross each other.

What does perpendicular mean?

 Intersecting lines or segments that form “square corners” are said to be perpendicular.

What is an Angle?

 Angles are formed where lines or segments intersect or where two or more rays or segments begin.

 An angle has a vertex and two sides.

Sides

Vertex

What is the vertex of an angle?

 The vertex of an angle is the point where the two sides meet (the “corner”)

What is a right angle?

 An angle is named by how “open” it is.

 An angle like the corner of a square is called a right angle.

What is an acute angle?

 Angles that are smaller than a right angles are called acute angles.

What is an obtuse angle?

 Angles that are larger than a right angle are called obtuse angle.

 Now that your brain is bombarded with new and wonderful information, let’s see how much you remember!!!!

Show me the following using your AngleLegs?

 Parallel  Intersection  Perpendicular  An angle (point to the vertex)  Right angle  Obtuse angle  Acute angle

Now I want to you to draw the following?

 Draw a line  Draw a line segment  Draw a ray  http://www.haelmedia.com/html/sg_m54_001.ht

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 Now you get to show me ALL your knowledge on the POST-Test that you are going to ACE!!!!!

 Let’s Begin!!!!