The value of \(\sqrt {6 - \sqrt {17 - 2\sqrt {72} } }\) is closest to

1.	The value of \(\sqrt {6 - \sqrt {17 - 2\sqrt {72} } }\) is closest to:
A.	2.1
B.	2.4
C.	2.7
D.	1.7
Answer» C. 2.7

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