• Centre of the circle
  • The Radius of the cirle. When you find the length of the radius, then everything else comes prety easy.
  • This green line would be the diameter.
  • Two lines coming from the same point and touches the cirlce at one point is a tangent line.
  • Both these lines are tangent to the circle.
  • This represents a chord.
  • This can be an angle that subtends the diameter

circle

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