sebuah kayu dipotong menjadi 6 bagian dengan tiap bagian membentuk barisan aritmatika. jika ukuran kayu terpendek 8 cm dan terpanjang 2,56 m , maka panjang kayu semula adalah

Oleh: USER5626
30 Agustus 2025 matematika 5 menit baca
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Pertanyaan

Grade: Education Mata Pelajaran: matematika
sebuah kayu dipotong menjadi 6 bagian dengan tiap bagian membentuk barisan aritmatika. jika ukuran kayu terpendek 8 cm dan terpanjang 2,56 m , maka panjang kayu semula adalah
Ditanyakan oleh:
175 Dilihat 175 Jawaban

Jawaban (175)

Jawaban Terbaik
(233)
ini jawabannya semoga bermanfaat

Dijawab pada tanggal 30 Agustus 2025
(244)
Diket:
Un = 2,56 m =256 cm
n = 6
U1/a = 8 cm

Ditanya: Sn??

Jawab:
Sn = n/2 (U1 + Un)
S6 = 6/2 (8 +256)
      = 3 (264)
      =792 cm

Maaf ya klo salah
Semoga membantu...^^
Dijawab pada tanggal 30 Agustus 2025

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