Respuesta :

2πr is the perimeter or circumference of a circle
.
diameter is 32cm so radius=16cm
2*3.14*16=100.48cm is long
shellybernstein

Answer:

200.96

Step-by-step explanation:

If the diameter is 32 cm, that mean you multiply by 3.14, or pie. Then make sure you divide  by two because it is a semicircle. That makes 50.24. Then you multiply by 4 because there are 4 different semicircles. Hope this gives you an answer

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