Matematika

Pertanyaan

tolong jawab soal no 22 sama 24
tolong jawab soal no 22 sama 24

2 Jawaban

  • 22. keliling bagun datar nya 136
  • 22)
    K = (4 × 9) + (8 × 7)
    K = 36 + 56
    K = 92 cm (b)

    23)
    L yang diarsir
    = (30 × 8) - (1/2 × 30 × 8)
    = 240 - 120
    = 120 cm^2 (d)

    24)
    jarak Dania berlari
    = 4 × (2 × 3,14 × 25)
    = 4 × 157
    = 628 m (d)