Answer:
5
Step-by-step explanation:
The geometric mean of 2 numbers a and b is

Hence
The geometric mean of 5 and 10 is

= 
=
=
×
= 5
Answer:
The cirumference would be 78.5.
24*pi would equal 75.5398163397 so just round that.
Hope this helped
6000000+7000+200
six million seven thousand and two hundred
Is taht what u r looking for?