 ### Circle with Arc, Chord, Inscribed Angle, Circumscribed Polygon

Illustrations of a circle with arc, chord, inscribed angle, and circumscribed about a polygon. ### Arc and Chord in Circle

Illustration of circle with arc and chord. ### Circle With Chord and Tangent

Illustration of a circle showing an angle included by a tangent and a chord drawn from the point of… ### Circle with Chord and Triangle

Illustrations of a circle with a chord and triangle inside. ### Chord of Circle

Illustration of a circle with the chord eb drawn and labeled. ### Chords, Diameters, and Radii of a Circle

Illustration of a circle with diameter AB. Radii are RO, SO, AO, and BO. ED is a chord. ### Chords, Secants, Diameters, and Tangents of a Circle

Illustration of a circle with diameter BC, chord DF, secant MN, and tangent HK. ### Circle With Diameter and Chord

Illustration of a circle with diameter and chord drawn. A diameter perpendicular to a chord bisects… ### Circle With Equal Chords

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

Illustration of circle with arc, chord, diameter and radius. ### Radius, Diameter, and Chord In A Circle

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

Circle with triangle and chords. ### Circle and Triangle

Circle with triangle and chords. ### Circle and Triangle

Circle with triangle and chords. ### Circle With Unequal Chords

Illustration of a circle with unequal chords, which are unequally distant from the center. ### Circle With Various Chords

Illustration showing a circle with various chords drawn. ### Circle With Various Chords

Illustration showing a circle with various chords drawn. ### Circle With Various Chords And Tangents

Illustration showing a circle with various chords and tangents drawn. ### Circle With Various Chords And Tangents

Illustration showing a circle with various chords and tangents drawn. ### Circle With Inscribed Quadrilateral and Triangles Formed

Illustration showing a circle with an inscribed quadrilateral and triangles formed by extended chords. ### Equal Chords in Equal Circles Theorem

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

Illustration used to show that "In equal circles, or in the same circle, if two chords are equal, they… ### Equal Circles With Radii and Chords

Illustrations of 2 equal circles with radii drawn. ### Intersecting Circles

Intersecting circles with chords and radii. ### Intersecting Circles

Illustration of intersecting circles. "If two circles intersect each other, the line joining their centers… ### Intersecting Circles With a Common Chord

Illustration of intersecting circles with a common chord. ### Two Intersecting Circles With Lines

Illustration showing 2 intersecting circles with a line drawn through each point of intersection terminated… ### Two Intersecting Circles With Lines

Illustration showing 2 intersecting circles with a lines drawn that form a triangle. ### Tangent Circles With Chords

Illustration showing 2 circles with that touch each other and two lines drawn through the point of contact… ### Corresponding Points in an Ellipse and Circle

Illustration of half of an ellipse. "The ordinates of two corresponding points in an ellipse and its… ### Conjugate Diameters of an Ellipse

Illustration showing that if one diameter is conjugate to a second, the second is conjugate to the first. ### Construction of an Ellipse

Illustration of half of an ellipse and its auxiliary circle used to construct an ellipse by points,… ### Focal Radii of an Ellipse

Illustration of half of an ellipse. "If d denotes the abscissa of a point of an ellipse, r and r' its… ### Line Bisecting Angle Between Focal Radii on Ellipse

Illustration of half of an ellipse. "If through a point P of an ellipse a line is drawn bisecting the… ### Ordinate and Major Axis of Ellipse

Illustration of half of an ellipse. The square of the ordinate of a point in an ellipse is to the product… ### Parallel Tangents to an Ellipse

Illustration showing that tangents drawn at the ends of any diameter are parallel to each other. ### Point Distances to Foci on Ellipse

Illustration of half of an ellipse. "The sum of the distances of any point from the foci of an ellipse… ### Tangent From External Point to an Ellipse

Illustration of how to draw a tangent to an ellipse from an external point. ### Tangents to an Ellipse

Illustration showing the tangents drawn at two corresponding points of an ellipse and its auxiliary… ### Tangents and Chords of a Parabola

Illustration showing that the area of a parabolic segment made by a chord is two thirds the area of… ### Circle Sector

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

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

An illustration showing a circle sector with height of segment h and radius r. ### Semicircle With Chords and Radii

Illustration of a semicircle with chords and radii.