Matematika

Pertanyaan

jawab ya nomor 1 sampai 5
jawab ya nomor 1 sampai 5

1 Jawaban

  • 1) La = 25 cm²
    r = √25 = 5 cm
    V = 5 × 25 = 125 cm³

    2) r = 7 cm
    La = 7² = 49 cm³
    V = 7 × 49 = 343 cm³

    3) La = 81 cm²
    r = √81 = 9 cm
    V = 9 × 81 = 729 cm³

    4) r = 11 cm
    La = 11² = 121 cm²
    V = 11 × 121 = 1331 cm³

    5) La = 100 cm²
    r = √100 = 10 cm
    V = 10 × 100 = 1.000 cm³