Respuesta :

malfredaboagye

Answer:

840

Step-by-step explanation:

1st u have to multiple 280 by 3

boatengalbert291
Circumference of circle C= π d
C = π x 280
=879.65m
3 rounds = 3 x 879.65m
=2638.95 m
Hence the length of wire required is 2638.95 m