Geometry Problem 1515: Mastering Triangle Distance Calculation: Find the Distance from the Intersection of Medians to an Exterior Line. Difficulty Level: High School.

Geometry Problem 1515. Post your solution in the comment box below.
Level: Mathematics Education, K-12 School, Honors Geometry, College.

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Geometry Problem 1438: Triangle, Incenter, Centroid, Circumcenter, Parallel, 90 Degree, Art, Poster

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry Problem 1179: Triangle, Centroid, Transversal, Sum of Ratios, Sides, Typography, iPad Apps

Geometric Art: Typography, iPad

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Augmented Reality (AR), Geometric Art of Problem 127 using iPad Pro Apps. Centroid, Incenter

Augmented Reality, iPad Apps, Software.

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Geometry Problem 1263: Triangle, Medians, Midpoint, 90 Degrees, Perpendicular

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka.

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Geometry Problem 1205: Triangle, Centroid, Outer and Inner Napoleon Equilateral Triangles

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry Problem 1179: Triangle, Centroid, Transversal, Sum of Ratios, Sides

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry Problem 1125: Triangle, Four Equilateral Triangles, Centroid, Midpoint

Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry Problem 1007: Hexagon, Midpoint, Triangle, Median, Centroid, Concurrency

Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Dynamic Geometry: Centroid or Barycenter of a Triangle. HTML5 Animation for Tablets (iPad, Nexus..)

Geogebra, HTML5 Animation for iPad and Nexus
Click the figure to open the interactive illustration.

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HTML5 Animation for iPad and Nexus: Nine-Point Center, Nine-Point Circle, Euler Line, Step by Step Interactive Illustration. Orthocenter, Circumcenter, Centroid, Midpoint

HTML5 Animation for iPad and Nexus
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Tracenpoche IGS: Triangle, Medians, Six Circumcenters Concyclic points

Geometry Problem
Using TracenPoche Interactive Geometry Software. Step-by-Step construction, Manipulation, and animation.
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the dynamic geometry of the circle of van Lamoen.

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Problem 847: van Lamoen Circle, Triangle, Medians, Centroid, Six Circumcenters, Concyclic Points

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 846: Triangle, Medians, Centroid, Four Circumcenters, Concyclic Points, Cyclic Quadrilateral, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 845: Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Congruence, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 844: Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Congruence, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 843: Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Parallel, Congruence, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 842: Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Congruence, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 841: Triangle, Medians, Centroid, Circumcenters, Perpendicular, Congruence, Similarity

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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Problem 742: Scalene Triangle, Orthocenter, Centroid, Circumcenter, Circumradius, Midpoint, Distance, Square, Metric Relations.

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

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