Matematika

Pertanyaan

given K is outside point of circle M. from point M made tangent of circle where point of 
tangency are A and B. if the radius is 8 cm and KM = 17 cm, then calculate :
 1. KA
 2. KB
 3. AB

1 Jawaban

  • if sketch like this:
    KA =√(KM² -AM²)
    = √17²-8²
    = √289-64
    = √225
    =15

    KB = KM - BM
    =17 - 8 = 11

    maybe AB = KB = 11 :3
    Gambar lampiran jawaban MasMucha

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