Answer:

Step-by-step explanation:
According to the problem, calculation of given data are as follows,
Volume of cylindrical vase = 
As, Cone has same height and radius as cylinder, than we can calculate volume of cone by using following formula,
Volume of cone =
× Volume of cylindrical vase
By putting the value, we get
Volume of cone =
× 63
Volume of cone = 
The length will be 3 because of the altitude
Step-by-step explanation:
ig this is 29 .............
You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive