Answer:
The slope is 29 mm.
Explanation:
What we know:
The radius of this cone is 20 mm, and the height is 21mm
s = √r^2 + h^2
s = √20^2 + 21^2
s = √400 + 441
s = √841
s = 29 mm
Volume of cone
V = Volume of cone =
r = Radius of cone = 20 mm
h = Height
s = Slant height.