Question

A new roller skating rink was just built in Chesapeake. The owner is putting a hand rail around the perimeter of the rink. Approximately how many meters of railing is needed?​

Answer 1

perimeter of 2 semi circle =πd=30π=94.25m

now total perimeter =94.25m +80+80=254.25m

so.

254.25m of railing is needed.