A) \[\frac{1}{4}cm\]
B) \[8\,\,cm\]
C) \[12\,\,cm\]
D) \[20\,\,cm\]
Correct Answer: B
Solution :
\[\theta =\sqrt{{{I}_{1}}{{I}_{2}}}\] \[=\sqrt{4\times 16}\] \[=8\,\,cm\]You need to login to perform this action.
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