Matematika

Pertanyaan

please jawab esk dikumpul
please jawab esk dikumpul

1 Jawaban

  • AB = CD = 19 cm

    BD² = CD² + BC²
    BD² = 19² + 11²
    BD² = 361 + 121
    BD² = 482
    BD = √482 cm

    DH² = BH² - BD²
    DH² = (√563)² - (√482)²
    DH² = 563 - 482
    DH² = 81
    DH = 9 cm

    DH = AE = 9 cm [ B ]

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