Proportional Triangles

Author:
askollins
Topic:
Triangles
Use this GeoGebra file to explore the relationships formed when a line is drawn parallel to a side of a triangle inside. Please know that you are looking at two similar triangles that have congruent interior angles in common as well as other similarities. Also, please know that you will copy and paste the questions below into your semester document and that you should start your exploration by answering question 1 before moving anything.