Geometry and You

Shows how Jim and Bob use protractor and ruler to study such figures as rectangles, triangles and circles, and such principles as congruence, similarity and symmetry, in constructing a model porch.

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M. C. Escher: Journey to Infinity

M. C. Escher: Journey to Infinity

2018

CircleSpeak

CircleSpeak

2005

Four-Point Conics

Four-Point Conics

1961

Clouds Are Not Spheres

Clouds Are Not Spheres

2010

Dimensions

Dimensions

2013

Flatland

Flatland

2007

The Dot and the Line: A Romance in Lower Mathematics

The Dot and the Line: A Romance in Lower Mathematics

1965

Flatland

Flatland

2007

Cube

1979

Cubits

1978

Tondo

1973

Map Projections

1977

Perspectives

1977

Toroid

Toroid

2019

About the Small Square and the Small Triangle

1965

Here Come the 123s

Here Come the 123s

2008

Rotating Cubic Grid

1975

From the Point to the Shape

From the Point to the Shape

1954

The Art of Fugue

The Art of Fugue

1967

French Windows

French Windows

1972