A) \[7\]
B) \[\sqrt{38}\]
C) \[\sqrt{155}\]
D) none of these
Correct Answer: A
Solution :
The length of the edges are given by \[a=5-2=3\], \[b=9-3=6\] and \[c=7-5=2\] So, length of the diagonal \[=\sqrt{9+36+4}\] \[=7\]You need to login to perform this action.
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