### Bisect A Line

Method to draw the bisector of a line

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

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

### Circle With Diameter, Radius, Segment

Illustration showing a circle with a diameter, radius, and segment drawn.

### Circle With Diameter, Radius, Segment, Line

Illustration showing a circle with a diameter, radius, lines, triangle, and segment drawn.

### Circle Inscribed in a Right Triangle

Illustration showing the diameter of a circle inscribed in a right triangle is equal to the difference…

### Circle With Sector and Segment labeled

Illustration of circle with sector and segment used to find area.

### Circle With Sector and Segment labeled

Illustration of partial circle with sector and segment used to find area.

### Circle With Diameter and Segment labeled

Illustration of circle with diameter and segment used to find area.

### Circle with Segment, Semicircle, Sector, Quadrant, and Central Angle

Illustrations of a circle with segment, semicircle, sector, quadrant, and central angles drawn.

### Segments of Circle and Arch

Illustration of circle with segments labeled and arch.

### 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 a Right Triangle

Illustration where one leg of a right triangle is the diameter of a circle. The tangent at the point…

### 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…

### 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…

### Conic Sections 3D

Three dimensional representation of the intersecting planes required to create the conic sections hyperbola,…

### Construct Equilateral Triangle

Method to construct an equilateral triangle

### Construct Isosceles Triangle

Method to construct an isosceles triangle

### Construction of a Circle Through a Given Point that Cuts Chords of Given Lengths From Parallels

Illustration used to construct a circle that shall pass through a given point and cut chords of a given…

### Construction to Describe a Segment of a Circle in Which an Angle Can Be Inscribed

Illustration of the construction used upon a given straight line, to describe a segment of a circle…

### Construction Of Dividing A Line

Illustration used to show how to divide a given straight line into required number of equal parts.

### Construction Of Dividing A Line

Illustration used to show how to divide a given straight line into required number of equal parts.

### Ellipse Fifth Method

Draftsman's fifth method for drawing an ellipse

### Ellipse First Method

Draftsman's first method for creating an ellipse

### Ellipse Fourth Method Case 1

Draftsman's fourth method for drawing an ellipse, case 1

### Ellipse Fourth Method Case 2

Draftsman's fourth method for drawing an ellipse, case 2

### Ellipse Fourth Method Case 3

Draftsman's fourth method for drawing an ellipse, case 3

### Ellipse Second Method

Draftsman's second method for drawing an ellipse

### Ellipse Third Method

Draftsman's third method for drawing an ellipse

### Flashcard of a Line Segment

A flashcard featuring an illustration of a Line Segment

### Gephyrea

Gepyrea is a name formerly given to a class of worms which included three families: (1) Priapulidae;…

### Broken Line

An illustration of a broken line.

### Curved Line

An illustration of a curved line.

### Line Divided Into Parts

Line divided into proportional parts.

Straight line

### Straight Line

An illustration of a straight line/segment.

### Straight Line With Points Divided Into Equal Parts

An illustration of a straight line with 5 points dividing it into 4 equal parts. Multiple of a given…

### Lines Drawn From the Same Point in a Perpendicular to a Given line, Cutting Off Segments

Illustration showing two straight lines drawn from the same point in a perpendicular to a given line,…

### Parallel Lines With Equal Segments Between

Illustration of two parallel lines with equal segments between them. Two parallel lines are everywhere…

### Parabola First Method

Draftsman's first method for drawing a parabola

### Parabola Foci Properties

The segments between the point of intersection of two tangents to a conic and their points of contact…

### Prosomatic Limb

"Comparison of the sixth prosomatic limb of a recent scorpion (B), of Palaeophonus (C), and of Limulus…

### Circle with Secant

A secant is "a line which cuts a figure in any way. Specifically, in trigonometry, a line from the center…

### Definitions, Segment, Ray, Line

Illustrations of a segment, a ray, and a line that can be used when providing definitions.

### Semicircle

Semicircle with line drawn perpendicular to the diameter.

### Flanch Shield

"The Flanch is formed of a segment of a circle placed on the side of the shield. It is always borne…

### Sphere With 8-inch Diameter Cut by Planes

An 8-inch sphere cut by parallel planes, one 2 inches from center and the other 6 inches from center.…

### Zones or Segments of Spheres

An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are…

### Zones or Segments of Spheres

An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are…

### Square With Diagonals and Lines Drawn

Illustration showing a square with diagonals, lines, and parallel lines

### Triangle With Segments

Triangle with segments drawn.

### Isosceles Triangle With Interior Segment Drawn

Illustration showing an isosceles triangle with a segment inside. This can be used to show that in an…

### Parts Of A Triangle

Illustration used to show the various parts of a triangle: sides, angles, medians, altitudes, bisectors,…

### Segments and Angles in a Triangle

Illustration of a triangle with interior segments and angles labeled.

### Segments and Angles in a Triangle

Illustration of a triangle with interior segments and angles labeled.

### Triangle With Interior Segment Drawn

Illustration showing a triangle with a segment inside.