Question

If % change in side of a cube is 2% find the % changes in its volume

Answer 1

we know that

side=a

then

volume=a³

therefore

ΔV/V=3Δa/a

multiplying by 100

ΔV/V=3*Δa/a

as Δa/a=2

therefore

ΔV/V=3*2

=6%