Answer:
9.6 ft
Step-by-step explanation:
The cone is shown in the attachment
The volume of a cone is calculated using: 
We have that the volume is 83.7 and from the diagram , the height is
.
We substitute to obtain:

This implies that:

The diameter is two times the radius.
Therefore the diameter is 
Answer:
center( -2,-10)
radius:6
Step-by-step explanation:
I hope this helps.
This statement is not true.
If a number is whole number, it will not always be a natural number. An example of a whole number that is not a natural number is 0. Think of natural numbers as counting number so 1, 2, 3, 4, ... and so on. Whole numbers are natural numbers but they also include 0. When we count up, we usually don’t starts with 0 so it’s not a natural number but it is a whole number.
Therefore, if a number is a whole number, it does not necessarily have to be a natural number.