Pitot Theorem (Concave and Convex Quadrilaterals)
The sum of the lengths of opposite sides of a quadrilateral circumscribing a circle are equal. Holds for both concave and convex quadrilaterals.
Generating all conic sections
Duran - U4 Task #3
Isosceles triangle HW Nick LaCascia
equation of a line (linear form)
Angles from parallel lines
Word Problem Duo - Mass,Volume,Density