Matematika

Pertanyaan

Ada yg bisa bantuu gkkk
Ada yg bisa bantuu gkkk

1 Jawaban

  • 18. L= ½ π.r² 1/2.3,14.10.10 = 314/2 = 157
    L= p x l = 44.20 = 880
    L= a.t.1/2 =20.18/2 = 180
    L total = 157 + (880-180)
    =157 + 700 = 857
    19.