Question 750441

The volume of a square-based pyramid is given by

{{{V=(1/3)Ah}}} where {{{A=l^2}}} is area of the base and {{{h}}} is height

if {{{l=20m}}}

{{{V=(1/3)(20m)^2* 30m}}}

{{{V=(1/cross(3))400m^2* cross(30)10m}}}

{{{V=400m^2*10m}}}

{{{V=4000m^3}}}