0 like 0 dislike
504 views
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) - asked in 2016-1 程式設計(一)AD by (18k points)
ID: 13421 - Available when: Unlimited - Due to: Unlimited
| 504 views

21 Answers

0 like 0 dislike
Hidden content!
* * * * * *** *



int ** * {

float A,B;
* *** **** ** * ** *
*** **** *
* * ***** *** * *
* 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include ***** ****



int main()

{
* * ** *** ** * * **** * * length = 0 ;
* *** * ** * ** * * *** * *** **** * * *

* * * * ** * * ****** ** ** *** * * ** *
* *** *** * ** * ****
** *** * ** ** * *** ***** ** * * * * * *
* ** ******** ** * 0;

}
answered by (-162 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main()

{
* *** * *** * ** ** i = 0;
* ** ** * * * * ** k;
* * * ****** * * * **
* *** ** ** ***** * *** ** * * * *
* * * * ** *
* **** * ** ** ** ** ** * * / 4 * (i * i);
** * * ******* * * *
* * ** ** * * * *** ** *** ** ***** **
* ** ** ** * *** *** *** *
****** * * * * * ***
* ** * ********* *** * * * * *
* **** * ** * * ** ** * **** * * *
********* *** * **** ** 0;

}
answered by (-264 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
** * *** *** ** *

#include<math.h>

int main()

{
* *** ** ** * ** * ******* a;
** *** *** * * s=0;
* ** **** ** *
* ** *** * * * ** * * * ** * * ** * *
* ** *** *** * = (sqrt(3)/4)*(a*a);
* *** * *** ***** * *** * ** *** ***** *
**** * ** * * * * * *** * * * ***
* * * **** *** ** * * * 0;

}
answered by (156 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>

#include<math.h>



int main()



{   
* **** * ** *** * ** * **
** * **** *** * * * **** x;
** * * * **
**** ** *** ******* * * y;
** *** * * * ***** * ****
*** ** * * * * ******** * *** ** * **
** * *** * ** * **
* ***** * * ***** *** * * * ** * *
** * * * ** * * *** ***
* * ****** * *** * **** * * *** *


* **** * * * * ** ** ** * ** *** **** ***
* * ** ****** * * * *** **
******* * ** * * ** ** 0;
*** * ** * *** * *

}
answered by (122 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * ** * * * **



int main(int argc, char *argv[])

{
** *** * * ** * ** l,t;
* * *** ** ** *** * * ** ** * * ***** *
* ** ** * * * * **
* * * * ** **** * ** ** **** ** ** ** * **
* **** * * *** * * **
* * ** * * * ** *** *** *** * *** ***
* * * * ** *
*** *** ** * ** * ** * **** * 0;

}
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include ** ********* * * *

#include * * ** ***

#include <math.h>

int main()

{
*** ** ** * * *** a, s;
* * * * *** ** * *** * ******* * **** *
** *** ** * * * * * * *
***** *** *** * *** * *** **** * * * **


** * * * **** * ** * 0;

}
answered by (-146 points)
0 like 0 dislike
Hidden content!
#include ** * ** *
* * * ***** *

int main()

{
*** * ****** ** ** ** length;
*** ** * *** ** *** * ** * ****** * * ** *****
* * * * ** *** * **** * * * area=0;
* *** ******** ** *** * * = (1/4) * sqrt(3) * length * length;
* * ** * * * ** *** ****** ** * * ****** area);
** ***** ** * *** ** * 0;

}
answered by (-202 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
* ** *****

#include<math.h>



int main()



{
******** *** ** * * ** a = 0 , b = 0  ;
* ** * ** ** ** *
*** * **** * ** * ** * * * * ** **** * *** , &a);
** ** ****** ****** *** ****
* * *** *** ** ** * * * * *** = (sqrt(3)*a*a)/4;
*** * * **** ** *
* *** ** **** ** ** * *
*** ** * * * ** ***
** * *** *** * * ** ** ** * *** *** *** * , b );
*** * * * **** * * * **
* **** * * *** * *** * * *** * * * ****
** * ** ** * * * * ** ** *** ** 0 ;
* **** ** * * * * *** *** **** *

}
answered by (-186 points)
0 like 0 dislike
Hidden content!
** * **** * **
*** *** * ** ** * *
** ** *** *** ***






*

*** * a , *


*** ***** * , * * ** *


** * = ** *


* ** * , * *





** ** **** *****


** * 0;












**
answered by (-194 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.100.173
©2016-2024

Related questions

0 like 0 dislike
23 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13024 - Available when: Unlimited - Due to: Unlimited
| 595 views
0 like 0 dislike
21 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13022 - Available when: Unlimited - Due to: Unlimited
| 625 views
0 like 0 dislike
54 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13021 - Available when: Unlimited - Due to: Unlimited
| 1.2k views
0 like 0 dislike
3 answers
[Exercise] Coding (C) - asked Oct 27, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 15398 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00
| 153 views
0 like 0 dislike
0 answers
[Resource] asked Dec 31, 2016 in 2016-1 程式設計(一)AD by laich (937 points)
ID: 20301 - Available when: Unlimited - Due to: Unlimited
| 16 views
12,783 questions
183,443 answers
172,219 comments
4,824 users