Problem 444: Tangent circles, Secant line, Chords, Angles, Congruence

Geometry Problem
Click the figure below to see the complete problem 444 about Internally Tangent circles, Secant line, Chords, Angles, Congruence.


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Complete Problem 444

Level: High School, SAT Prep, College geometry

Problem 443: Intersecting Circles, Common Chord, Secant line, Tangent line, Angles

Geometry Problem
Click the figure below to see the complete problem 443 about Overlapping, Intersecting Circles, Common Chord, Secant line, Tangent line, Angles.


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Complete Problem 443

Level: High School, SAT Prep, College geometry

Problem 442: Triangle, Median, Cevian, Transversal, Congruent Angles

Geometry Problem
Click the figure below to see the complete problem 442 about Triangle, Median, Cevian, Transversal, Congruent Angles.


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Complete Problem 442

Level: High School, SAT Prep, College geometry

Problem 441: Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity

Geometry Problem
Click the figure below to see the complete problem 441 about Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity.


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Complete Problem 441

Level: High School, SAT Prep, College geometry

Problem 440: Triangle, Incircle, Incenter, Angle Bisector, Tangency Points, Circle, Angles

Proposed Problem
Click the figure below to see the complete problem 440 about Triangle, Incircle, Incenter, Angle Bisector, Tangency Points, Circle, Angles.


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Complete Problem 440

Level: High School, SAT Prep, College geometry

Marion Walter's Theorem Index

Marion Walter's Theorem, Triangle, Trisection of Sides, Hexagon, Areas, and Related Topics

Click the figure below to see the index.



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Marion Walter's Theorem Index

Van Hiele Model Index

In mathematics education, the Van Hiele model is a theory that describes how students learn geometry.

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Van Hiele Model Index

Van Hiele Model Word Cloud

Weighted list in visual design.
Click the figure below to see the most popular words in Van Hiele Model.



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Van Hiele Model Word Cloud

Problem 439: Isosceles triangle, Cevian, Incenter, Angles, Circle

Proposed Problem
Click the figure below to see the complete problem 439 about Isosceles triangle, Cevian, Incenter, Angles, Circle.


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Complete Problem 439

Level: High School, SAT Prep, College geometry

Problem 438: Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Parallel lines

Proposed Problem
Click the figure below to see the complete problem 438 about Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement, Parallel lines.


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Complete Problem 438

Level: High School, SAT Prep, College geometry

Problem 437: Tangent Circles, Diameter, Chord, Perpendicular, Congruence

Proposed Problem
Click the figure below to see the complete problem 437 about Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.


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Complete Problem 437

Level: High School, SAT Prep, College geometry

Problem 436: Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.

Proposed Problem
Click the figure below to see the complete problem 436 about Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.


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Complete Problem 436

Level: High School, SAT Prep, College geometry

Philadelphia, SEPTA and Golden Rectangle

Southeastern Pennsylvania Transportation Authority (SEPTA) has the 6th-largest U.S. transit system by ridership, with about 306.9 million annual unlinked trips.
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Philadelphia, SEPTA: Southeastern Pennsylvania Transportation Authority.

The Landscape of Geometry Terms, Brainstorming

The Landscape of Geometry terms is a random scenery of terms about Geometry, than can be seen in a single view. This word storming (brainstorming) is a mental exercise for producing ideas by right brain thinking (random, visual, subjective, emotional, holistic, intuitive, creative, divergent).
Click the figure below to see the interactive illustration.


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The Landscape of Geometry Terms

Problem 690: Distance between the Incenter and the Centroid of a Triangle

Proposed Problem
Prove that the distance between the incenter I and the centroid G of a triangle ABC is:
Click the figure below to see the complete illustration.


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Distance between the Incenter and the Centroid
Level: High School, SAT Prep, College geometry

Distances between Triangle Centers

Index
Click the figure below to see the Distances between Triangle Centers Index


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Distances between Triangle Centers
Level: High School, SAT Prep, College geometry

Problem 435: Triangle, Incircle, Inradius, Congruent circles, Tangent, Measurement

Proposed Problem
Click the figure below to see the complete problem 435 about Triangle, Incircle, Inradius, Congruent circles, Tangent, Measurement, Similarity.


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Complete Problem 435

Level: High School, SAT Prep, College geometry

"Lima morning" by Alfredo Deza

Unnoticed street life in Peru's capital city, La Victoria and Villa Maria del Triunfo.

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Lima morning by Alfredo Deza

Earthquake: Subduction Zone Geometry Analysis

Preliminary SZGC Results NEAR COAST OF CENTRAL CHILE by Dr. G. Hayes, NEIC.
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Earthquake: Subduction Zone Geometry Analysis

Numbers, Geometry, Fibonacci Spiral, and Golden Rectangles

Video
A video inspired on numbers, geometry and nature by Cristobal Vila.
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Numbers, Geometry, Fibonacci Spiral, and Golden Rectangles

Problem 434: Quadrilateral, Transversal, Ratio, Measurement, Similarity

Proposed Problem
Click the figure below to see the complete problem 434 about Quadrilateral, Transversal, Ratio, Measurement, Similarity.


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Complete Problem 434

Level: High School, SAT Prep, College geometry

Unvarnished web site mindmap and brainstorming

Unvarnished web site is an online resource for building, managing, and researching professional reputation, using community-contributed, professional reviews.

Unvarnished, Interactive Mind Map is based on Google’s Wonder Wheel for mind mapping, brainstorming, studying trends, and idea generation.

Graphic organizers are visual representations of knowledge, concepts or ideas.
Click the figure below to see the Interactive Mind Map.


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Unvarnished web site Mind Map

Problem 433: Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity

Proposed Problem
Click the figure below to see the complete problem 433 about Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity.


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Complete Problem 433

Level: High School, SAT Prep, College geometry

Problem 432: Trapezoid, Parallel, Measurement, Similarity, Transversal

Proposed Problem
Click the figure below to see the complete problem 432 about Trapezoid, Parallel, Measurement, Similarity, Transversal.


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Complete Problem 432

Level: High School, SAT Prep, College geometry

Problem 431: Quadrilateral, Midpoints of Diagonals, Transversal

Proposed Problem
Click the figure below to see the complete problem 431 about Quadrilateral, Midpoints of Diagonals, Transversal, Similarity.


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Complete Problem 431

Level: High School, SAT Prep, College geometry