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.
Sunday, November 17, 2019
Dynamic Geometry Problem 1447: Outer Vecten Point
Friday, July 5, 2019
Geometry Problem 1441 Intersecting Circles, Perpendicular Bisector, Parallel Lines
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Sunday, December 2, 2018
Geometry Problem 1404: Three Circles, Center, Intersecting Points, Collinearity, Congruence
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, November 17, 2018
Geometry Problem 1401: Right Triangle with three circles on the sides, Isosceles, Diameter, Center, Tangent, Congruence
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Monday, October 8, 2018
Geometry Problem 1394: Three Circles and Three Pair of Common Internal Tangents, Concurrency
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, March 10, 2018
Geometry: Mascheroni construction: Find the center of a circle with compass alone, Typography, iPad Apps
Sunday, February 25, 2018
Geometry Problem 868: Cyclic Quadrilateral, Circle, Five Rectangles, Four Centers, Congruence, Typography, iPad Apps
Sunday, February 4, 2018
Typography of Geometry Problem 1354: Circle, Tangent Lines, Secant, Chord, Center, Parallel Lines using iPad Apps
Geometry Problem 1354: Circle, Tangent Lines, Secant, Chord, Center, Parallel Lines
Monday, November 27, 2017
Typography of Gergonne Point Theorem: Triangle, Circle, Concurrency
Wednesday, September 13, 2017
Geometry Problem 1345: Three Equilateral Triangles, Center, Area, Common Vertex, 60 Degrees
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Sunday, February 26, 2017
Geometry Problem 1319: Hexagons, Equilateral Triangles, Centers, Midpoints
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Saturday, December 10, 2016
Friday, December 9, 2016
Geometry Problem 1294 Triangle, Altitudes, Four Squares, Center, Midpoint, Concyclic Points
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Thursday, December 8, 2016
Geometry Problem 1293 Triangle, Altitudes, Two Squares, Center, Concurrent Lines, Midpoint
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Details: Click on the figure below.
Tuesday, July 5, 2016
Geometry Problem 1231: Triangle, Orthocenter, Incenter, Circumcenter, Angle Bisector, Center, Circle
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Click the figure below to view more details of problem 1231.
Friday, June 10, 2016
Geometry Problem 1226: Quadrilateral, Squares, Centers, Midpoints, Congruence
Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Click the figure below to view more details of problem 1226.
Saturday, January 16, 2016
Geometric Art of Triangle Centers, Visual Summary, Delaunay Triangulation, Circular Random Composition, iPad AppsTriangle Centers, Visual Summary, Delaunay Triangulation, Circular Random Composition, iPad Apps
Saturday, November 14, 2015
Geometry Problem 1165: Right Triangle, Circle, Center, Radius, Cathetus, Perpendicular, 90 Degrees, Perimeter, Metric Relations
Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Click the figure below to view more details of problem 1165.
Saturday, July 25, 2015
Geometry Problem 1142: Cyclic Quadrilateral, Isogonal Lines, Circle, Center, Radius, Perpendicular Bisector, Circumcenter
Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.
Click the diagram below to enlarge it.