allery3 സെ.മീ × 4 സെ.മീ × 12 സെ.മീ അളക്കുന്ന ഒരു ക്യൂബോയിഡിന്റെ ഏറ്റവും നീളമേറിയ ഡയഗണൽ എന്താണ്?
A13 cm
B19 cm
C15 cm
D11 cm
Answer & Solution
Correct answer: A. 13 cm
9 + 16 + 144 ന്റെ വർഗ്ഗമൂലമാണ് ഡയഗണൽ, ഇത് 169 ന്റെ വർഗ്ഗമൂലമാണ്, അല്ലെങ്കിൽ 13 സെ.മീ.
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