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 decembrie 2011 - 08:25

Tip material: Foaie de lucru
Etichete: angle angles degree degrees geometry measure measurement measurements practice protractor
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Licență: CC-BY-SA, GeoGebra Terms of Use
Bazat pe: 以量角器量度角
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