Is there any answer choices? I believe it is 2/5
Doubling the radius of the cylinder will quadruple the volume.
Answer:
4.58258
Step-by-step explanation:
Pythagorean Theorem:
a² + b² = c²
Input:
2² + x² = 5²
Remember, c² is always the side opposite of the right angle...
4 + x² = 25
21 = x²
x = 4.58258
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-Chetan K

where n is a whole number
The answer to this question is 21