A) \[3\sqrt{\frac{5}{2}}\]
B) \[\frac{3\sqrt{5}}{2}\]
C) \[\sqrt{10}\]
D) \[2\sqrt{10}\]
Correct Answer: A
Solution :
\[AC=\frac{3}{2}AB=\frac{3}{2}\sqrt{{{6}^{2}}+{{2}^{2}}}=3\sqrt{10}\] \[\Rightarrow r=\frac{3}{2}\sqrt{10}=3\sqrt{\frac{5}{2}}\]You need to login to perform this action.
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