21 lines
466 B
Python
21 lines
466 B
Python
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"""
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判断输入的边长能否构成三角形
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如果能则计算出三角形的周长和面积
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Version: 0.1
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Author: 骆昊
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Date: 2018-02-28
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"""
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import math
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a = float(input('a = '))
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b = float(input('b = '))
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c = float(input('c = '))
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if a + b > c and a + c > b and b + c > a:
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print('周长: %f' % (a + b + c))
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p = (a + b + c) / 2
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area = math.sqrt(p * (p - a) * (p - b) * (p - c))
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print('面积: %f' % (area))
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else:
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print('不能构成三角形')
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