Measuring Segments

What is the Segment Addition Postulate?

You've known how to add numbers for a long time. The Segment Addition Postulate extends this operation to lengths of line segments. However, there is a catch. Watch the tutorial to find out what it is!
What Does Congruent Mean?

If two figures have the same size and shape, then they are congruent. The term congruent is often used to describe figures like this. In this tutorial, take a look at the term congruent!