Question 941900
{{{circumference(C)=pi(2r)}}}
{{{radius(r)=C/2*pi}}}
{{{r=220m/2*pi=35m}}}
the width of the track adds 7m to the radius
outside radius=35m+7m=42m
outer circumference=OC
{{{OC=pi(2r)=pi(2*42m)=pi(84m)=264m}}}
264m of fence at rs 2 /meter= rs 528