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正三角形的面積公式是[4分之根號3乘a平方],請設計一個程式,讓使用者輸入正三角形的邊長,然後輸出正三角形的面積,輸出時請輸出並四捨五入到小數點後兩位。
範例輸入:
8
範例輸出:
21.71
[Normal]
Coding (C)
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asked
Oct 13, 2016
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2016-1 程式設計(一)AD
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Shun-Po
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Hidden content!*** * * * * *
int * * {
float A,B;
*** * * * ** * ** * * *
* *
** *** ** * * * * * * * **
* * 0;
}
answered
Oct 24, 2016
by
chen
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Hidden content!#include <stdio.h>
#include *** ** * * * **
int main()
{
* * * ** * *** * * ** * * length = 0 ;
* ** ** * ** ** * * ** * * * * ** * * * ** **