Perimeters and areas of common geometric figures.

Duration: 10:09

Year Published: 1960

Format: 16mm

Sound: sound

Description: P: Preservation Material NT: Negative Track AC: Acetate B: 800' 16/8/9.5mm 16mm Black & White Sound 1009 Calvin Productions, Inc. Modern Talking Picture Service, inc.

2 users have this film:
Library of Congress, Prelinger Archives

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Original permalink · Record added: 2023-11-09 15:43:12