Tag Archives: geometry

Cubes in one-point perspective

This post is a reply to Jamie’s comment on Drawn to Math: Would anyone know how to construct a cube in one point perspective? This is an excellent question because it isolates an important, simplified situation that enables one to study key aspects of … Continue reading

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Girls’ Angle Bulletin, Volume 7, Number 4

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. The cover features a planar configuration by Leah Berman, associate professor of mathematics at the University of Alaska Fairbanks.  There are 240 … Continue reading

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Girls’ Angle Bulletin, Volume 7, Number 2

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. In Bisection Envelopes, a paper to appear in the journal Involve, Noah Fechtor-Pradines proves many interesting properties of the envelope of the set of … Continue reading

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2013 AIME 2 Problem 10

I’ve been asked about the following problem from the 2013 AIME 2 a few times, so I decided to blog a couple of solutions for it: Given a circle of radius , let A be a point at a distance from … Continue reading

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The Pythagorean Theorem: Is It Proven?

Recently at the Girls’ Angle club, a girl asked: Has the Pythagorean theorem been proven? That was a terrific question! Unfortunately, I didn’t have time to discuss it as well or as fully as I would have liked. A lot of … Continue reading

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Bouncing in a U-Shaped Gallery

Consider the U-shaped hallway illustrated above. All angles are right angles and the numbers indicate the lengths of various walls. The figure is not drawn to scale. The problem is to send a point sized billiard ball located at the … Continue reading

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One-Fold Origami Puzzle Raffle – Solution

Congratulations to Philip H. for winning the One-Fold Origami Puzzle Raffle! Many thanks to all who participated! Here is Philip’s solution:

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