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Astute
Hey there,

The geometric mean of 4 and 9 is [tex]\boxed{6}[/tex]

Reason: The square root of the product of the both numbers.

The geometric mean of 4 and 9 is 6. 4 * 9. = 6

~Jurgen

Answer:

The correct option is:  B) 6

Step-by-step explanation:

The geometric mean of two numbers [tex]a[/tex] and [tex]b[/tex] is:  [tex]\sqrt{ab}[/tex]

So, the geometric mean of 4 and 9 is:  [tex]\sqrt{4\times 9} = \sqrt{36} =6[/tex]