alleryഒരു മുറിക്ക് 10 മീറ്റർ നീളവും, 8 മീറ്റർ വീതിയും, 3 മീറ്റർ ഉയരവുമുണ്ട്. അതിന്റെ നാല് ചുമരുകളുടെയും ആകെ വിസ്തീർണ്ണം എത്രയാണ്?
A240 m²
B108 m²
C216 m²
D144 m²
Answer & Solution
Correct answer: B. 108 m²
നാല് ചുവരുകൾക്ക് 2(l + b)h = 2 x 18 x 3 = 108 ചതുരശ്ര മീറ്റർ വിസ്തീർണ്ണമുണ്ട്.
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