Answer:
The path length is the same for the small and large semicircles.
Explanation:
The distance around the large semicircle = 1/2 * π * diameter
= 1/2*8*π
= 4π m.
The distance around the 2 smaller semicircles
= 1/2 * 4 * π + 1/2 * 4 * π
= 2π + 2π
= 4π m.