SSS: Dynamic Proof!

[color=#000000]Before interacting with this applet, be sure to interact with the applet and fully answer the questions on [url=https://www.geogebra.org/m/bM5FkyFK]this worksheet[/url]. [br][br]Feel free to move the [b]BIG WHITE POINTS[/b] anywhere you'd like! [br]Be sure to do this each time after resetting and before re-sliding the sliders! [/color]
[color=#000000][i][b]So....[/b][/i][br][br]If 3 sides of one triangle are congruent to 3 sides of another triangle, can we say that those 2 triangles are congruent? Fully explain why or why not. [br][br][/color][color=#980000][i]What previously learned theorem(s) did you see dynamically illustrated here? [/i][/color]
Quick (Silent) Demo

Information: SSS: Dynamic Proof!