Geometry: Introduction to Geometry (Level 5 of 7)

The video tutorial covers the basics of sets, including union, intersection, and empty sets. It provides examples of naming lines, finding intersections of lines and rays, and understanding the union of rays. The tutorial also explores the intersection of rays as line segments and the intersection of a triangle with a ray.

What are the elements of set A?

How would you denote the union of set A and set B?

What does the intersection of two sets represent?

What is an empty set and how is it denoted?

Where do line AC and line DE intersect?

What is the union of ray BA and ray BD?

Find the intersection of triangle ABC and ray DE.