Answer:
Step-by-step explanation:
volume = ⅓πr²h
8792 = ⅓π20²h
h = 8792*3/(400π) ≅ 21 mm
:::::
s = √(h²+r²) = √(21²+20²) = 29 mm
The ant crawls up the side of the cone, 29 mm
