Circles and Angles

Norm Prokup, Jun 11, 2020

The geometry of circles and the angles formed by their radii, diameters, chords, secants and tangents.

Table of Contents

  1. Circle. Circle and Point. Circle and a Line
    1. Elements of a Circle
    2. Circle and a Line
  2. Relative Positions of Two Circles
    1. Length of the Central Segment of Two Circles

1.

Circle. Circle and Point. Circle and a Line

[list] [*] Notation and terminology. [*] Number of intersections of a line and a circle. [*] Secant lines. [*] Diameter perpendicular to a chord [*] Diameter that bisects a chord [/list]

  • 1. Elements of a Circle
  • 2. Circle and a Line

1.1.

Elements of a Circle

– Norm Prokup

1.2.

–

2.

Relative Positions of Two Circles

  • 1. Length of the Central Segment of Two Circles

2.1.

Length of the Central Segment of Two Circles

– Norm Prokup

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