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Geometry applications. Circles

Author: Mary Stephens; Media 4 Math (Firm); Films for the Humanities & Sciences (Firm); Films Media Group.
Publisher: New York, N.Y. : Films Media Group, [2011]
Edition/Format:   eVideo : Clipart/images/graphics : EnglishView all editions and formats
Summary:
The ancient Pueblo people built round ceremonial chambers at Chaco Canyon to mark the natural cycles of solstice and equinox. Like astronomers today, they knew the circular shape was ideal for tracking the progression of the Earth throughout the year. This program uses ancient structures to help define properties of circles, arcs, chords, secants, and central and inscribed angles. The video explains why the  Read more...
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Details

Genre/Form: Television programs
Educational television programs
Internet videos
Nonfiction television programs
Problems and exercises
Video recordings for the hearing impaired
Problems, exercises, etc
Additional Physical Format: Originally produced:
Media4Math, 2010
Material Type: Clipart/images/graphics, Internet resource, Videorecording
Document Type: Internet Resource, Computer File, Visual material
All Authors / Contributors: Mary Stephens; Media 4 Math (Firm); Films for the Humanities & Sciences (Firm); Films Media Group.
OCLC Number: 783173377
Language Note: In English with optional English subtitles; Closed-captioned.
Notes: Streaming video.
Title from title frames (viewed May 30, 2012).
Originally broadcast as part of a ten-part series on Media4Math in 2010.
Films on Demand is distributed by Films Media Group for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.
Encoded with permission for digital streaming by Films Media Group on October 09, 2011.
Performer(s): Narrator: Mary Stephens.
Target Audience: 6 & up.
Description: 1 video file (approximately 38 min.) : sound, color, digital file
Details: Mode of access: Internet.
Contents: Geometry Basics: Circles (3:39) --
Circular Arcs (2:35) --
Geometry of the Ellipse (2:09) --
Circular Arcs (1:54) --
Elliptical Shape on TI-Nspire (5:58) --
Tangents (3:20) --
How to Build a Coliseum Model (1:15) --
Geometry: Chords (2:11) --
Exploration of Pantheon on T-Nspire (4:14) --
Intercepted Arc: Exploration on TI-Nspire (10:01) --
Credits: Circles (1:05).
Other Titles: Geometry applications (Television program).
Circles
Responsibility: a Media4Math production.

Abstract:

The ancient Pueblo people built round ceremonial chambers at Chaco Canyon to mark the natural cycles of solstice and equinox. Like astronomers today, they knew the circular shape was ideal for tracking the progression of the Earth throughout the year. This program uses ancient structures to help define properties of circles, arcs, chords, secants, and central and inscribed angles. The video explains why the Colosseum is shaped like an ellipse instead of a circle, which would have been easier for the Romans to build. The Pantheon, with its round oculus and circular dome inside an arched ceiling, is also examined.

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