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Angle Bisector
Author:
Linda Fahlberg-Stojanovska
Sample: If the ray OC is the angle bisector of ∠AOB and ∠AOC=70°, how big are ∠COB and ∠AOB?
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G-CO.A.3.1 - Parallelogram Reflection
แบบฝึกหัดที่ 1.4 ข้อ 5
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