A) \[\text{2}\text{.475 }\overset{o}{\mathop{\text{A}}}\,\]
B) \[\text{1}\text{.326 }\overset{o}{\mathop{\text{A}}}\,\]
C) \[\text{1}\text{.218 }\overset{o}{\mathop{\text{A}}}\,\]
D) \[\text{1}\text{.078 }\overset{o}{\mathop{\text{A}}}\,\]
Correct Answer: A
Solution :
Face diagonal \[=\sqrt{{{a}^{2}}+{{a}^{2}}}=\sqrt{2}a\] Face length \[(a)=\frac{Face\,diagonal}{\sqrt{2}}=\frac{3.50}{1.414}=2.475\overset{o}{\mathop{\text{A}}}\,\]
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