Google Classroom
GeoGebraGeoGebra Classroom

Section 4-2 Intro Page 2

How has triangle ABC been transformed to create triangle DBE? You can move the vertices of triangle ABC to help you see the relationship. Check the box to show the measures of the sides and angles of triangle ABC. Can you guess what some of the other measures in this diagram will be? Check the second box to reveal the measures of triangle DBE.