Suppose you need to find the volume,in cubic feet of a cylinder which has a radius=4 ft.What additional information do you need? Choose from one of these:no additional information needed,the width of the cylinder,the diameter of the base,the height of the cylinder

Question

anonymous · Answer

Need help

anonymous · Answer

Can someone help me

anonymous · Answer

the height of the cylinder.

anonymous · Answer

In order to know the volume you have to know information in three dimensions.  The cylinder gives you information in two dimensions (say the x and y directions), but you have no information about the third dimension.  The only option above which provides this is the height of the cylinder as the width and diameter of the cylinder can be known from the radius.

anonymous · Answer

remember that the formula to find the volume of a cylinder is 

$$Vcylinder= \pi*r^2*h$$

anonymous · Answer

and volume will always have cubic units because it involves 3 dimensions of the object.

anonymous · Answer

So which one in my problen is the right answer

anonymous · Answer

Still need a answer

anonymous · Answer

Need help

anonymous · Answer

Look up at the 3rd and 4th replies.

anonymous · Answer

we just said it right there lol

anonymous · Answer

I got the height of the cylinder

anonymous · Answer

Thank you guys

anonymous · Answer

yes you got it