Debbie buys a tree for the holidays. she would like to determine the amount of space it will take up in her living room. the tree is cone shaped and has a radius of 4 feet. find the volume of the tree if it is in the shape of a cone and its height is three times its radius. the radius of a cone whose height is is equal to three times its radius is given as: r=root(frac(3v,3π),3) (use π=3.14)