Creation of this resource was inspired by [url=https://twitter.com/Cshearer41/status/1113836546799620097]this tweet[/url] from [url=https://twitter.com/Cshearer41]Catriona Shearer[/url]. [br][br]You can move the [b]LARGE WHITE VERTICES [/b]of the [b][color=#bf9000]right triangle[/color][/b] anywhere you'd like at any time. [br][br][b]Key Questions:[/b][br][br]1) [b][color=#ff00ff]What is the measure of the pink angle? [/color][/b][br][br]2) How can we formally prove your response to (1) is ALWAYS TRUE (regardless of the location the [color=#bf9000][b]right [br] triangle's[/b][/color] 3 vertices)?