18 lines
261 B
Python
18 lines
261 B
Python
from math import pi as pi
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class Kreis:
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def __init__(self, radius):
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self.radius = radius
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def durchmesser(self):
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return self.radius * 2
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def umfang(self):
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return self.durchmesser() * pi
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def flaeche(self):
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return self.radius** 2 * pi
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