Answer: 8 meters
Step-by-step explanation:
Calculate arc length of 180 degree
Formula: arc length = 2 x pi x r x ø/360°
pi = 3.14
r = 8m
Ø = 180°
=> Arc length = 2 x 3.14 x 8 x 180°/360°
Arc length = 2 x 3.14 x 8 x 1/2
Arc length = 3.14 x 8
Arc length = 25.12meters