Quadrangle Exploration
Complete Quadrangle: 4 non-collinear points connected by 6 lines
Drag points A, B, C, or D to transform the quadrangle.
1. Can you create a convex quadrilateral, a concave quadrilateral, and a non-quadrilateral ("bow-tie")?
2. What types of conics are possible? What conditions create the different types of conics?