Show:
Lines, Line Segments, and Rays
Types of Lines
Polygons
Geometry Vocabulary
Angles
100
This is a straight line that goes on and on in both directions.
What is a line?
100
These lines are the same distance apart ALWAYS.
What are parallel lines?
100
It has three sides and three angles.
What is a triangle?
100

What are the 3 undefined terms in geometry 

line, point, plane

100
A 90 degree angle.
What is a right angle?
200
This looks like a line, but has a beginning and end.
What is a line segment?
200

These lines will cross 

What are intersecting lines or perpendicular lines. 

200

It has four equal sides and angles.

What is a square?

200

what are the 3 rigid transformations? 

reflection, rotation, translation 

200
An angle that is smaller than 90 degrees.
What is an acute angle?
300
This has a starting point, but goes on and on in one direction.
What is a ray?
300

These lines are not touching, but if you extended them out, they would.

skew lines

300
It has five sides and five angles.
What is a pentagon?
300

what is dilation? 

when a shape gets bigger or smaller 

300
An angle that is bigger than 90 degrees.
What is an obtuse angle?
400

Bisector means...

What is a line broken up into 2 equal parts?

400

Intersecting lines that form a 90 degree angle..

What are perpendicular lines?

400
It has six sides and six angles.
What is a hexagon?
400

The corner, or point at which line segments meet in a polygon.

What is a vertex?

400

A straight line. 

What is a 180 degree angle?

500

These are stops along the way of a line, line segment, and ray, and are usually named with a letter.

What are points?

500

What do you call points on the same line? 

Collinear 

500
It has eight sides and eight angles.
What is an octagon?
500

what is the difference between congruent and similar? 

congruence is when shape is exactly the same and similar is same shape different size.  

500

A triangle with two sides the same length.

What is an isosceles triangle?