Matematika

Pertanyaan

tolong dibantu yaaaaa
tolong dibantu yaaaaa

2 Jawaban

  • L¹ = p*l = 19*14 = 266

    L² = ½*(a+c)*t = ½*(19+7)*8 = ½*(26)*8 = 26*4 = 104

    jadi L¹ - L² = 266-104 = 162 cm²
  • L trapesium = 2 x ½ x 20 x 6
    = 120 cm²
    L persegi = 7 x 6
    = 42 cm²
    Luas total = L trapesium + L persegi
    = 120 + 42
    = 162 cm² (C)