Matematika

Pertanyaan

hai kak !
tolong kerjakan nomor 40 & 41 ya
hai kak ! tolong kerjakan nomor 40 & 41 ya

1 Jawaban

  • 40.
    Lp = 2(pl+pt+lt)
    = 2(24×14 + 24×12 + 14× 12)
    = 2 (336 + 288 + 168)
    = 2 (792)
    = 1.584 (C)

    41.
    V= La × t
    =πr²×t
    =22/7 ×10,5² × 27
    = 9. 355,5 ( C)