Matematika

Pertanyaan

perhatikan gambar disamping ini.
perhatikan gambar disamping ini.

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1 Jawaban

  • ACB = CAB = 2 CBA (x)
    2x + 2x + x = 180
    5x = 180
    x = 36

    DBE = CAB = 2 . 36 = 72

    CBE = 180 - 36 - 72 = 72°

    Jawab B

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