Matematika

Pertanyaan

luas selimut tabung = 176 cm² jika panjang jari-jari 7 cm,hitung volume tabung!
luas selimut tabung = 176 cm² jika panjang jari-jari 7 cm,hitung volume tabung!

1 Jawaban

  • TABUNG

    LuasSelimut = 176
    2×phi×r×t = 176
    2× 22/7 × 7 × t = 176
    44t = 176
    t = 176/44
    t = 4 cm

    Volume
    => phi×r×r×t
    => 22/7 × 7 × 7 × 4
    => 22 × 28
    => 616 cm^3