Matematika

Pertanyaan

tolong dibantu ya kk matnya terima kasih no 10 ya
tolong dibantu ya kk matnya terima kasih no 10 ya

1 Jawaban

  • LABCD = 2 × LABC
    ⇔ 125 = 2 × 1 /2 × AC × BQ
    ⇔ 125 = AC × BQ
    ⇔ 125 = 25 × BQ
    ⇔ BQ = 5
    Perhatikan ΔAPD, PD = BQ = 5 cm.

    Perhatikan ΔAPD, PD = BQ = 5 cm.
    AP = √AD^2- PD^2= √13^-5^2
    = √169-25 =√ 144
    AP = 12 cm
    AP = QC = 12 cm.
    AC = AP + PQ + QC
    ⇔ 25 = 12 + PQ + 12
    ⇔ 25 = 24 + PQ
    ⇔ PQ = 1
    Jadi, panjang PQ = 1 cm.