A) \[5.72\overset{\text{o}}{\mathop{\text{A}}}\,\]
B) \[0.93\overset{\text{o}}{\mathop{\text{A}}}\,\]
C) \[1.86\overset{\text{o}}{\mathop{\text{A}}}\,\]
D) \[3.22\overset{\text{o}}{\mathop{\text{A}}}\,\]
Correct Answer: C
Solution :
In B.C.C, \[4r=a\sqrt{3}\] \[r=\frac{4.29\sqrt{3}}{4}\] = \[1.857\overset{\text{o}}{\mathop{\text{A}}}\,\] = \[1.86\overset{\text{o}}{\mathop{\text{A}}}\,\]
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