Please help me out please

Answer:
262 m³
Step-by-step explanation:
The volume (V) of a cone is calculated as
V = [tex]\frac{1}{3}[/tex] πr²h ( r is the radius of the base and h the height )
here diameter = 10 m, hence radius = 5 m
V = [tex]\frac{1}{3}[/tex]π × 5² × 10
= [tex]\frac{1}{3}[/tex] π × 250 = [tex]\frac{250\pi }{3}[/tex] ≈ 262 m³