alleryചതുരാകൃതിയിലുള്ള ഒരു ഹാളിന് 12 മീറ്റർ നീളവും 9 മീറ്റർ വീതിയുമുണ്ട്. അതിന്റെ തറ വിസ്തീർണ്ണം എത്രയാണ്?
A42 m²
B21 m²
C96 m²
D108 m²
Answer & Solution
Correct answer: D. 108 m²
ഒരു ദീർഘചതുരത്തിന്റെ വിസ്തീർണ്ണം നീളത്തിന്റെയും വീതിയുടെയും ഗുണനമാണ്, അതിനാൽ 12 x 9 = 108 ചതുരശ്ര മീറ്റർ.
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