What is this?
As you can see, this is a Circle. Formula of Circle is x^2+y^2=r^2. r^2=c
What's My Rule #14?
Intro to Vectors
Loc Geometrc Cercul lui Apollonius.
Butler, Reis Point of Concurrence.
Equilateral Triangle Construction
Surface Area of a Sphere
Probabaility to make a triangle with 3 broken spaghetti. 2D
Arc Problem (b)
Nomogram: Linear Function as Composition