sstrike's answer to Nezuko 12345's Secondary 4 A Maths Singapore question.
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key concepts
①【basic angle】
②【butterfly】
130° = 180°-50°
.... believe u can proceed from here
①【basic angle】
②【butterfly】
130° = 180°-50°
.... believe u can proceed from here
Date Posted:
8 months ago
Oh I see thanks ☺️