Measuring Angles Using Protractor

[b](Updated: 18 Mar 2012)[/b] Demonstrate how to use the protractor to measure an angle. (繁體中文版：http://www.geogebratube.org/material/show/id/2456 )

Anthony OR 柯志明 — 5 desembre de 2011 - 8:25

Tipus de material: Construcció dinàmica
Etiquetes: angle angles degree degrees geometry measure measurement measurements practice protractor
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Llicència: CC-BY-SA, GeoGebra Terms of Use
Basat en: 以量角器量度角
Compartit per Anthony OR 柯志明
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