Answer:
B and D
Explanation:
Perimeter of semi circle = πr = 12π
Perimeter of the shape = 12 + 12 + 12 + 12π + 12 + 12 +12 + 12π
Which is answer B
Simply:
= 12 + 12 + 12 + 12 + 12 + 12 + 12π + 12π
= 72 + 24π Which is D
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