Parallelopipedning bo'yi 80sm, eni 90sm va balandligi 60sm ga teng bo'lsa. Uning barcha qirralari yig'indisini toping.

  1. 9m
  2. 110sm
  3. 92dm
  4. 9,2dm

📝 Detailed explanation

To'g'ri burchakli parallelepipedning 12 ta qirrasi bor, har bir o'lchamdan 4 tadan.
Yig'indi formulasi: L = 4 · (a + b + c).
O'rniga qo'yamiz: L = 4 · (80 + 90 + 60) = 4 · 230 = 920 sm.
Natijani detsimetrga o'tkazamiz: 920 sm = 92 dm.
4 / 10 (40%)
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