Matematika

Pertanyaan

panjang balok 21 dm dan
panjang balok 21 dm dan

1 Jawaban

  • 4 ) Lebar balok
    = Volume balok ÷ ( p × t )
    = 735 dm3 ÷ ( 21 × 7 )
    = 735 dm3 ÷ 147 dm
    = 5 dm

    5 )

    6 ) Panjang balok
    = Volume balok ÷ ( l × t )
    = 288 cm3 ÷ ( 8 × 3 )
    = 288 cm3 ÷ 24 cm
    = 12 cm

    7 ) Volume
    = p × l × t
    = 23 × ( 50 ÷ 10 cm ) × 14
    = 23 × 5 × 14
    = 1610 cm3

    8 ) tinggi balok
    = Volume balok ÷ ( l × p )
    = 2016 m3 ÷ ( ( 120 dm ÷ 10 m ) × 21 )
    = 2016 m3 ÷ ( 12 × 21 )
    = 2016 m3 ÷ 252 m
    = 8 m