Answer:
[tex]19[/tex] [tex]cm[/tex]
Step-by-step explanation:
[tex]\pi \times 16 \times 50/360[/tex]
[tex]=6.981317[/tex]
[tex]\pi \times 7 \times 50/360[/tex]
[tex]=3.054326[/tex]
[tex]4.5+4.5+6.981317+3.054326[/tex]
[tex]=19.035643[/tex]
