LIST of CONTENT

RADIUS, DIAMETER, CIRCUMFERENCE and AREA of a CIRCLE

  1. What is Center of a Circle, Radius of a Circle and Diameter of a Circle
  2. How to find Radius of a Circle if co-ordinates of Center and any other point on circle are given
  3. Formulas of Area and Perimeter of Circle and Semi-Circle
  4. How to find Diameter of a Circle if its Area is given
  5. How to find Area between two Concentric Circles
  6. How to find Area of Sector of a Circle if Diameter of a Circle and Sector Area are given


CIRCLE and its EQUATIONS

  1. Definition of a Circle, Standard Equation of a Circle, Unit circle and its Equation
  2. Solved EXAMPLE 1 on how to find an Equation of a Circle if its Center and Radius-length is given
  3. Solved EXAMPLE 2 on how to find an Equation of a Circle if its Center and Radius-length is given
  4. Solved EXAMPLE 1 on how to find Center and Radius of a circle from its equation
  5. Solved EXAMPLE 2 on how to find Center and Radius of a circle from its equation
  6. Free QUIZ with answers on Standard Equation of Circle
  7. What is General Equation of a Circle
  8. How to find Center and Radius of a Circle by its General Equation (METHOD 1)
  9. How to find Center and Radius of a Circle by its General Equation (METHOD 2)
  10. Given Equation represents a Circle or not (CASE 1)
  11. Given Equation represents a Circle or not (CASE 2)
  12. Given Equation represents a Circle or not (CASE 3)
  13. Free QUIZ with Answers on Circle Equation


Find EQUATION of CIRCLE in different SITUATIONS

  1. How to find an Equation of a Circle if its Center and any point on it are given
  2. How to find an Equation of a Circle if co-ordinates of three points on it are given