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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
by
Shun-Po
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ID: 13421 -
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Hidden content!#include<stdio.h>
* **** * * * * ** *** *
#include<math.h>
int main()
{
* ** * *** **** ** * * * a,b,c,d;
* * * ********* * ** * * * * * ** ** * * * * **
**** * *** * * * * * * * *** *