Illustrations of a circle with arc, chord, inscribed angle, and circumscribed about a polygon.

Illustration of a circle showing an angle included by a tangent and a chord drawn from the point of…

Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle…

Illustration of a circle with diameter AB. Radii are RO, SO, AO, and BO. ED is a chord.

Illustration of a circle with diameter BC, chord DF, secant MN, and tangent HK.

Illustration of a circle with diameter and chord drawn. A diameter perpendicular to a chord bisects…

Illustration used to show that "The diameter perpendicular to a chord bisects the chord and also its…

Illustration of a circle with equal chords, which are equally distant from the center.

An illustration showing a circle with radius r, diameter d, and chord c.

Illustration of a circle with two intersecting chords within the circumference. The angle formed is…

Illustration of a circle with unequal chords, which are unequally distant from the center.

Illustration showing a circle with various chords and tangents drawn.

Illustration showing a circle with various chords and tangents drawn.

Illustration showing a circle with an inscribed quadrilateral and triangles formed by extended chords.

Illustration used to show that "In equal circles, or in the same circle, if two chords are equal, they…

Illustration used to show that "In equal circles, or in the same circle, if two chords are equal, they…

Illustration used to show that "In equal circles, or in the same circle, if two chords are unequal,…

Illustration used to show that "In equal circles, or in the same circle, if two chords are unequal,…

Illustration used to show that "In equal circles, or in the same circle, if two chords are unequal,…

Illustration of intersecting circles. "If two circles intersect each other, the line joining their centers…

Illustration showing 2 intersecting circles with a line drawn through each point of intersection terminated…

Illustration showing 2 intersecting circles with a lines drawn that form a triangle.

Illustration showing 2 circles with that touch each other and two lines drawn through the point of contact…

Illustration of of construction of an arc when the chord and height of the segment are given.

An illustration showing a circle sector with radius r, center/central angle v, and length of circle…

An illustration showing a circle sector with center/central angle v and polygon angle w.