bantuin ih bsk di kumpulin
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bantuin ih bsk di kumpulin
1 Jawaban
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1. Jawaban fmhd8
∠EBC = 180-102
∠EBC = 78°
∠ECB = 180-148
∠ECB = 32°
∠BEC = 180-(32+78)
∠BEC = 70°