Matematika

Pertanyaan

Tolong jawab nomor 25
Pakai cara ya kakak... Terima kasih yaaa
Tolong jawab nomor 25 Pakai cara ya kakak... Terima kasih yaaa

1 Jawaban

  • L1 = p × l
    = 20 × 12
    = 240 cm²

    L2 = ½ × ( a + b ) × t
    = ½ × ( 20 + 32 ) × 10
    = ½ × 52 × 10
    = 260 cm²

    Lttl = 240 + 260 = 500 cm² ( D)