If only the length is changed and all other dimensions left unchanged, the volume will also triple.
It is multiplied by nine.
Tripling the absolute temperature triples the pressure all by itself, if the volume is constant.
The volume of an object has three dimensions and when all three dimensions are multiplied together the product is called the volume which is measured in cubic units.
You can't tell the dimensions from the volume. There are an infinite number of different sets of dimensions that all have the same volume.
Volume = length X width X height. Therefore, take the cube root of the volume to find all the dimensions
The new area is 22 = 4 times the original area. The new volume is 23 = 8 times the original volume.
The effect on the total surface area of one dimension being doubled or tripled cannot be calculated. You either need to know all three dimensions or all three dimensions must be doubled, not just one dimension (or demension / demansion as you call them).
If those dimensions are all in the same unit, then the volume is 1,170 cubic ones.
You can't. There are an infinite number of cylinders with different dimensionsthat all have the same volume, so the volume alone isn't enough informationto tell you the dimensions.