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Interior Angles of Triangles
Author:
現代中學數學 Modern Secondary Mathematics
Topic:
Angles
,
Triangles
Investigate the sum of interior angles of a triangle. (for use with P.3.47 of Book 1B)
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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