Answer:
50.274in
Explanation:
Half circle perimeter
9/2 = 4.5
2 * pi * 4.5 = 28.27433388230814
28.27433388230814 + 5 + 12 + 5 = 50.27433388230814
Answer = 50.27433388230814
Rounded to nearest hundredth = 50.274
I hope I helped. Brainliest would be appreciated