SOLUTION: if the radius of a circle is tripled, the diameter is also tripled. true or false? I think it is true

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Question 285624: if the radius of a circle is tripled, the diameter is also tripled. true or false? I think it is true
Found 2 solutions by Alan3354, richwmiller:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It's true.
d = 2r
3d = 2*3r = 6r
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More formally, the diameter is directly related to the radius.
The area is related to the square of the radius, so 3x the radius --> 9x area.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
So tell us why you think it is true!
Where is your work?
The dog ate it?