World Library  


 
  • Cover Image

Introduction to Euclidean geometry : The Golden Ratio

By: Sal Khan

An introduction to one of the most amazing ideas/numbers in mathematics

This topic introduces the basic conceptual tools that underpin our journey through Euclidean geometry. These include the ideas of points, lines, line segments, rays, and planes.

Read More
  • Cover Image

Introduction to Euclidean geometry : Euclid as the Father of Geometry

By: Sal Khan

Euclid and his Elements (and how much Abraham Lincoln liked them)

This topic introduces the basic conceptual tools that underpin our journey through Euclidean geometry. These include the ideas of points, lines, line segments, rays, and planes.

Read More
  • Cover Image

Introduction to Euclidean geometry : Lines, Line Segments, and Rays

By: Sal Khan

Difference between lines, line segments, and rays

This topic introduces the basic conceptual tools that underpin our journey through Euclidean geometry. These include the ideas of points, lines, line segments, rays, and planes.

Read More
  • Cover Image

Introduction to Euclidean geometry : Identifying Rays

By: Sal Khan, Monterey Institute for Technology and Education

Identifying Rays

This topic introduces the basic conceptual tools that underpin our journey through Euclidean geometry. These include the ideas of points, lines, line segments, rays, and planes.

Read More
  • Cover Image

Collectanea Topographica et Genealogica : Vol. 5

By: Frederic Madden; Bulkeley Bandinel; John Gough Nichols

Geometry

Read More
  • Cover Image

Solid Geometry

By: Fletcher Durell
Read More
  • Cover Image

Angle basics and measurement : Acute Right and Obtuse Angles

By: Sal Khan

The difference between acute, obtuse and right angles

This topic continues our journey through the world of Euclid by helping us understand angles and how they can relate to each other.

Read More
  • Cover Image

Quaternions and Projective Geometry

By: Charles Jasper Joly
Read More
  • Cover Image

Altitudes : Proof - Triangle Altitudes are Concurrent (Orthocenter)

By: Sal Khan

Showing that any triangle can be the medial triangle for some larger triangle. Using this to show that the altitudes of a triangle are concurrent (at the orthocenter).

You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and mystical than you ever imagined!

Read More
  • Cover Image

Plane and Solid Geometry

By: Gore, James Howard, 1856-1939
Read More
  • Cover Image

Andlegir Sálmar Og Kvaeði Þess Guðhraedda Kennimans Og Þjóðskálds ...

By: Hallgrimur Pétursson

Geometry ; Least squares

Read More
  • Cover Image

Space and Geometry in the Light of Physiological, Psychological an...

By: Mach, Ernst
Read More
  • Cover Image

Medians and centroids : Triangle Medians and Centroids

By: Sal Khan

Seeing that the centroid is 2/3 of the way along every median

You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and mystical than you ever imagined!

Read More
  • Cover Image

Analytic Geometry

By: Lewis Parker Siceloff, George Wentworth, David Eugene Smith
Read More
  • Cover Image

Solid Geometry

By: Percival Frost
Read More
  • Cover Image

Elementary Geometry

By: William Frothingham Bradbury
Read More
  • Cover Image

Quadrilaterals : Rhombus Diagonals

By: Sal Khan

Proof that the diagonals of a rhombus are perpendicular bisectors of each other

This is a first year, high-school level course on Geometry (which is based on Euclid's elements). It revisits many of the basic geometrical concepts studied in earlier courses, but addresses them with more mathematical rigor. There is strong focus on prov

Read More
  • Cover Image

An Elementary Treatise on Plane and Solid Geometry

By: Benjamin Peirce
Read More
  • Cover Image

Analytical Geometry for Beginners : Part I. The Straight Line and ...

By: Thomas Grenfell Vyvyan
Read More
  • Cover Image

Geometry and Faith a Supplement to the Ninth Bridgewater Treatise

By: Thoma Hill
Read More
 
1
|
2
|
3
Records: 1 - 20 of 45 - Pages: 



Copyright © World Library Foundation. All rights reserved. eBooks from World Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.