Question

the radius of a cylinder is doubled and the height remains the same the ratio between the volumes of new cylinder and the original cylinder​

Answer 1

Answer:

The ratio between the volumes of the new cylinder and original cylinder is 4 : 1

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Answer 2

Answer:

4:1

Step-by-step explanation:

If the radius  r  doubles to  2r  then their squares are  r2  and  4r2  so the volume ratio will be  1:4 .

Since it asks for ratio of new to old, better make that  4:1 .