What geometry definition and what 2 theorems (about this term) are being dynamically illustrated below?[br](Feel free to move the triangle's white vertices anywhere you'd like!)
[color=#000000][b]Definition of a [/b][/color][color=#ff7700][b]MIDSEGMENT[/b][/color] [color=#000000][b]of a triangle:[/b][/color][br]A [color=#ff7700][b]midsegment[/b][/color] of a triangle is a segment that connects the midpoints of any 2 sides of the triangle. [br][br][b][color=#000000]Theorems: [/color][/b][br]The [color=#ff7700][b]midsegment[/b][/color] of a triangle is parallel to the side of the triangle it doesn't touch.[br]The [color=#ff7700][b]midsegment[/b][/color] is a triangle is half as long as the side of the triangle it doesn't touch.