Equação de um círculo com centro na origem (Exemplo 1)
1:57
Equation of a circle with center at the origin (Example 2)
13:35
Equation of Circumference, FULL EXPLANATION
9:37
Ecuación de la circunferencia con centro en el origen C(0,0). Ecuación ordinaria, general y gráfica.
1:00:42
15. Ellipse: deduction of the equation, straight side, eccentricity, worked examples
5:06
Ordinary and general equation of circumference with given center and radius (Example 1)
19:54
Intersection of two circles, calculate coordinates, solve system of equations
21:58
How to Design a Wheel That Rolls Smoothly Around Any Given Shape
31:59