Matematika

Pertanyaan

selamat pagi...mohon maaf sy minta bantuan lagi ya..5 soal tp klo ga smua juga ga apa2...heehe
selamat pagi...mohon maaf sy minta bantuan lagi ya..5 soal tp klo ga smua juga ga apa2...heehe

2 Jawaban

  • semoga membantuuuuuuuuu...
    if u dont mind, please choose my answer as the brainliest answer, thanks!
    Gambar lampiran jawaban ALCACARENHO
  • 1) L = ½ × d1 × d2
    1.344 = ½ × 48 × d2
    1.344 = 24 d2
    d2 = 1.344 ÷ 24
    d2 = 56 cm

    2) L = ½ × d1 × d2
    = ½ × 16 × 32
    = 256 cm²

    3) L = ½ × ( a + b ) × t
    = ½ × ( 22 + 17 ) × 12
    = ½ × 39 × 12
    = 234 cm²

    4) a) L = ½ × d1 × d2
    = ½ × 38 × 28
    = 532 cm²
    jumlah layang2 yg bisa dibuat
    = 4.500 ÷ 532
    = 8 buah & sisa
    b) sisa
    = 4.500 - ( 8 × 532)
    = 4.500 - 4.256
    = 244 cm²

    5) L = ½ × ( a + b ) × t
    3.080 = ½ × 88 × t
    3.080 = 44 × t
    t = 3.080 ÷ 44
    t = 70 cm