 Golden Angle

Illustration showing the golden angle. The golden angle is the smaller of two angles created by dividing… Bisecting an Arc

Illustration used to show how to bisect a given arc. Construction Of Arc

Illustration used to show how to "find an arc of a circle having a known radius, which shall be equal… Positive and Negative Arcs in Circles

Illustration showing arcs measured in positive and negative angles. Construction Of Center

Illustration used to show how to find the center when given an arc and its radius. Arc of Circle

Illustration of a circle with the arc aeb drawn and labeled. Arc of Circle

An illustration of an arc of a circle. An arc is any part of the circumference of a circle. 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. Arcs Inscribed In A Circle

A design created by inscribing 4 congruent tangent arcs in a circle. Circle With Chord and Tangent

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

Illustration of circle with arc, chord, diameter and radius. Quadrant of Circle With 60 degree Arc

Illustration of circle with quadrant and 60 degree arc. Radius, Diameter, and Chord In A Circle

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

Illustration of a sector of a circle. A sector is the space between an arc and two radii drawn to the… Sector Of A Hollow Circle

Illustration of a sector of a hollow circle. A sector is the space between an arc and two radii drawn… Circle With Two Intersecting Chords

Illustration of a circle with two intersecting chords within the circumference. The angle formed is… Circle With a Tangent Line and Chord

Illustration showing that from any point in the circumference of a circle, a chord and a tangent are… Unequal Chords in Equal Circles Theorem

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

Illustration used to show that "In equal circles, or in the same circle, if two chords are unequal,… Circles With Angles Formed by Secants and Tangents

Illustration showing angles formed by two secants, two tangents, or a tangent and a secant, drawn to… Intersecting Lines in Circles

Illustration showing various circles and the angles formed by intersecting lines. Draw Circular Arc Through Three Given Points

"Join AB and BC, bisect AB and BC by perpendiculars. Their intersection will be the center of the required… Inking a Circle

Always draw a circle in one stroke, inclining the compass in the direction of the line and rolling the… Construction of Bisecting a Given Arc

Illustration of the construction used to bisect a given arc. Model Of Geometric Proportions

An illustration showing a model that illustrates the following relationships: a:x = x:a - x, x = √(a²… Byzantine Interlacement Band

The Byzantine interlacement band consists of wavy arcs and curves that have an angular bend. This design… Romanesque Interlacement Band

The Romanesque interlacement band consists of wavy arcs and curves that have an angular bend. It is… Romanesque Interlacement Band

The Romanesque interlacement band consists of wavy arcs and curves that have an angular bend. Construction Of Line Equal To Arc

Illustration used to show how to find a straight line of the same length as a given arc of a circle. Pulley

Pair of circular pulleys connected b a cord, showing the range of motion as arcs Hindley's Screw

"A screw cut on a solid, of such form that if any plane be taken through its longitudinal axis, the… 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. Sphere With Sectors and Arcs

Diagram of a sphere with sectors and arcs drawn. Sphere With Arcs and Poles

A sphere with arcs and poles. "The distance of all points in the circumference of a circle of a sphere… Arcs Drawn on Sphere

Illustration of a sphere with arcs drawn. Superimposed Symmetrical Spherical Triangles

Diagram showing 2 superimposed symmetrical spherical triangles. Symmetrical Spherical Triangles

Diagram showing 2 symmetrical spherical triangles. Spherical Triangle

Diagram showing a spherical triangle.