Answer :

Answer:

26.3

Step-by-step explanation:

Perimeter of the rectangle  (not including the dotted line): 4 + 8 + 8 = 20

Perimeter of the semicircle (not including the dotted line): [tex]\pi r=2\pi =6.283[/tex]

Add together: 20 + 6.283 = 26.283 ≈ 26.3

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