Answer:
3[tex]\pi[/tex]+6
Step-by-step explanation:
perimeter of a semicircle = half of circumference + diameter
diameter d = 2 * radius r
d = 2r = 2(3) = 6
half of circumference (2[tex]\pi[/tex]r)/2 = [tex]\pi[/tex]r = 3[tex]\pi[/tex]
perimeter = 3[tex]\pi[/tex]+6
