Answer:
10
Step-by-step explanation:
I set geometric mean as x . From definition of geometric mean,
[tex]\frac{5}{x}[/tex]=[tex]\frac{x}{20}[/tex]
Therefore,
x · x = 20 · 5
x² = 100
x=10
5
x
=
20
Hence,
⋅
2
100
