Answer:
Step-by-step explanation:
d = 2
arc length of semicircle = ½×circumference = ½×πd = π
perimeter of semicircle = π + d = π+2
Answer: π+2
Step-by-step explanation:
perimeter of a whole circle is
2πr
r = 1
2π
divide by 2 bc its a semicircle
2π/2 = π
π+diameter
π+2
