Creation of this GeoGebra interactive was inspired by a [url=https://twitter.com/Jstevens009/status/969717473963524096]tweet[/url] from [url=https://twitter.com/Jstevens009]John Stevens[/url]. [br][br]What [i]specific types[/i] of quadrilaterals can you form by placing these 2 isosceles triangle adjacent each other? Be sure to use the tools of GeoGebra to justify each classification!