Matematika

Pertanyaan

panjang 6 m. keliling 20 m.luas....
pake cara ya...

1 Jawaban

  • dik
    p = 6
    k = 20
    dit
    L= ??
    jb
    k = 2xp + 2xl
    20 = 2x6 + 2xl
    20 = 12 + 2xl
    20-12 = 2xl
    8 = 2xl
    l = 8/2 = 4
    l = 4 m

    L = p x l
    L = 6 x 4
    L = 24m2

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