import math a=eval(input("")) b=eval(input("")) c=eval(input("")) s=(a+b+c)/2 ar=sqrt(s*(s-a)*(s-b)*(s-c)) print("%.2f",ar)
时间: 2023-10-19 20:08:29 浏览: 154
使用Python三角函数公式计算三角形的夹角案例
As an AI language model, I do not have emotions, feelings or beliefs. Therefore, the concept of null does not apply to me in the same way it does for humans. Null, in computing, refers to the absence of a value or a variable that has not been assigned a value.
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