Line 1: |
Line 1: |
| + | === Exterior Angle Property of a Triangle === |
| + | Click here to [[:File:Exterior angle theorem of triangle.ggb|open]] the file{{Geogebra|kxphjay3}} |
| + | |
| == Angle Sum Property == | | == Angle Sum Property == |
| === Objectives === | | === Objectives === |