Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Tuesday, April 21, 2020
Geometry Problem 1471: Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines
Sunday, March 15, 2020
Dynamic Geometry 1462: Newton-Line, Newton-Gauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals
Wednesday, February 26, 2020
Dynamic Geometry 1454: Intersecting Circles, Perpendicular Lines, Cyclic Quadrilateral
Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, December 7, 2019
Dynamic Geometry 1451: Orthopole of a Line
Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, November 30, 2019
Dynamic Geometry 1450: Ortholine, Steiner Line
Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Tuesday, November 26, 2019
Dynamic Geometry 1448: Simson Line
Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, October 7, 2017
Augmented Reality (AR), Geometric Art of Problem 1348 using iPad Pro Apps. Concentric Circles
Augmented Reality (AR), Geometric Art of Problem 1225 using iPad Pro App
Sunday, November 20, 2016
Thursday, October 20, 2016
Geometry Problem 1268 in motion: Triangle, Circles, Mobile Apps
Thursday, June 30, 2016
Dynamic Geometry: Miquel's Pentagram Theorem. HTML5 Animation for Mobile Devices
Dynamic Geometry: Butterfly Theorem Proof: Circle, Chord, Midpoint, Inscribed Angle, SAS Similarity, Cyclic Quadrilateral, ASA Congruence. HTML5 Animation for Mobile Devices
Dynamic Geometry: Eyeball Theorem, circles, tangents, chords. HTML5 Animation for Mobile Devices
Dynamic Geometry: Apollonius' Tangency Problem For Three Circles, step-by-step. HTML5 Animation for Mobile Devices
Dynamic Geometry: Second Ajima-Malfatti Point, Tangent Circles, step-by-step. HTML5 Animation for Mobile Devices
Dynamic Geometry: Ajima-Malfatti Point, Tangent Circles, step-by-step. HTML5 Animation for Mobile Devices
Dynamic Geometry: Langley's Problem, Isosceles Triangle, 20, 50, 60, 80 Degrees, Angle. HTML5 Animation for Mobile Devices
Thursday, September 10, 2015
Dynamic Geometry Problem 1148: Right Triangle, Circle, Incircle, Circumcircle, Tangent, Radius. GeoGebra, Tablets
Geometry Problem. GeoGebra, HTML5 Animation for iPad and Nexus.
Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Click here to see the dynamic diagram of problem 1148.
Click here to see the static diagram of problem 1148.