Go Geometry Education

Online Geometry: Circles, Theorems and Problems

Circles - Table of Content (Page 20)



Elearning Problem 92

Circumcircles or circumscribed circle
Proposed Problem 92. Similar Triangles, Circumcircles, Circumradii, Parallel.

Artwork of problem 1169

Artwork of Problem 1169, Complete Quadrilateral

Intouch and Extouch Triangles. Puzzle cut: 20 Piece Classic
Based on Proposed Problem 86.

Venetia Diamond Mine Circular Shapes

Geometry in Venetia Diamond Mine, South Africa.
Circular Shapes.

Proposed Problem 86. Intouch and Extouch Triangles, Areas.

Taylor Circle Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.
Henry Martyn Taylor and the blind student of mathematics

Proposed Problem 85. Contact Triangles Areas, Incircle, Excircle.

Proposed Problem 84. Contact Triangles Areas, Incircle, Excircle, Inradius, Exradius.

Proposed Problem 83. Area of the Excircle Contact Triangle, exradius, circumradius.

Contact triangle area

Proposed Problem 82. Area of the Contact Triangle, inradius, circumradius.

Triangle area

Proposed Problem 81. Area of a triangle, side, inradius, circumradius.

Proposed Problem 80. Area of a triangle, side, incircle, inradius.

Proposed Problem 79: Triangle. Similarity, Altitudes, Orthocenter, Incircles, Inradii.

Proposed Problem 78: Angles of a Circle. Perpendicular and parallel lines, Midpoint, Diameter, Chord, Cyclic quadrilateral, Congruence.

Math Problem 77 Angles

Proposed Problem 77: Angles of a Circle. Parallel lines, Cyclic quadrilateral.

Proposed Problem 76: Area of a Circle. Square, Circle, Circular Sector. 

Proposed Problem 74: Three Intersecting Circles. Cyclic quadrilateral, Angles.

Proposed Problem 73: Three Intersecting Circles. Cyclic quadrilateral.


Go to Page: Previous | 1 | 10 | 20 | 30 | Next



Home | Sitemap | Search | Geometry | Problems | Circle | Email | By Antonio Gutierrez