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Vertically opposite angles
Author:
Lesley Partridge
Topic:
Angles
You can see that a = the angle shown. Move the point on the green line beneath to alter the angle - notice what happens.
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Vídeo de apresentação
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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