alleryഒരു ഓപ്പൺ-ടോപ്പ് ക്യൂബോയിഡൽ ബോക്സ് 8 × 5 × 3 സെ.മീ; അതിൻ്റെ പുറം പ്രദേശം? കനം അവഗണിക്കുക.
A158 cm²
B120 cm²
C94 cm²
D118 cm²
Answer & Solution
Correct answer: D. 118 cm²
അടിത്തറയും നാല് വശങ്ങളും ആകെ വിസ്തീർണ്ണം 8 × 5 + 2 × 8 × 3 + 2 × 5 × 3 = 118 cm ².
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