0 like 0 dislike
1k 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)AC by (18k points)
ID: 13422 - Available when: Unlimited - Due to: Unlimited
3 flags | 1k views
0 0
Called for Help

35 Answers

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

#include * ** **

int main()

{


* * ***** * * ** A ,B;
** *** * ** ** ****** * * *
* * ** ** ** ** *** = sqrt(3)/4*A*A;
******* **** * ** ** * ** *



}
answered by (-82 points)
0 like 0 dislike
Hidden content!
* * ***** *****
* * *** * * * *





int main (void)



{
** * ** int a,i;
* * * **

*** * * **** double *
* * **

* * ** * scanf * * * ** * *** **** *
* * ** ** *

* ** * * b = **
*** ** * * *

** ** * ***** c = * *
* * ** * *

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

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

}
answered by (-157 points)
0 like 0 dislike
Hidden content!
#include * * * * *

#include *** *** ***

#include ** ** **

int main()

{
* * * * ** ** *** a;
*** * ** * **** ** ** b;
** * * ** * ** * * * ** * * * &a);
*** ** ** * *** ***** * *** ***
** **** * ** * ** ** *** * ** ** ** * ** * b);
* * ** * *** * ** **** * * * * 0;

}
answered by (-158 points)
0 like 0 dislike
Hidden content!
#include ** * *** *
*** * * ** * *
* * * ** ***** ******





int ****
** * ** * * *** a,ans;
* ** *** ** ****** * * * ** ****** * **
* ** * * * * * ** * * * = sqrt(3) * 0.25 * a * a;
** * * ** * * ** **** ** ** ans);


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

return 0;

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

#include * ***** * * * *

#include **** * ** * *

#include <math.h>





int main()
** * * ** ** * *** *
* ** *** * * * ** * * * * * ** * **** a=0,c=0;
**** *** * * *** * ***** * ** * * *** * * ** * *** *** ** * ****** *
* ** * *** ** ** * * * **** * * = * ** * ** *
* *** * ** **** ***** ** * ** * * ** *** ** ** ** ** ** *
* *** *** * * * ** **** *** * ** *** * 0;
** * * ** ** * * * * *
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>





int main()
* *** *** * *
* * **** *** **** ** * *** ** ** a=0,c=0;
* ** **** ** * ** ** * * *** * ** ** *** ***** **
* * * * *** **** *** * ** * * ** = ((sqrt(3.0)/4.0)*(a*a));
* * ** ** **** * * * * ** * **** * *** * *******
* **** * ** * * ** * * ** * ** * * ** 0;
* * ** *** **** *** * *
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include *** * ** *

#include <ctype.h>





int main()
* ** *** * * *
****** * * * * * * ** * * ** ** ** *** a,b,c;
** * * * * ** * * ** ** **** * ** ** * **** * ** ** *
** ** * **** ** * * ** ** * * * * **** = sqrt(3.0);
** * * * **** * *** ** * * ** * * ** = ((b / 4.0) * (a * a));
******* * **** * * * * ***** * * ** * ** * ** * ***** *
*** *** * ** * * * * *** ** ** * ** 0;
** ****** **** ** *** * *
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include ** * * *

#include * * * * * **

#include *** ** * * **

int main()

{
*** * * * ** ** * ** a,area;
*** * *** ** * *** ** * * *** **** ** *
** * * *** * ********** * * = sqrt(3) / 4 * a * a;
** * ***** * * * * * ** *** ***** *


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



}
answered by (-320 points)
0 like 0 dislike
Hidden content!
* ** ** **
* * ** *** * ***** **

int main()

{

int a = 0;
** * ** * * * * **** **
******* *** * * ** * **


0;



}
answered by (-140 points)
0 like 0 dislike
Hidden content!
* * ** *** ** *



int

{
* * ** * ** *** * n, A;


* *** *** * * ** ** * *** *** ***** , * * * *
*** * * ** *** * = (1.732 * n * n) / 4;
* * **** * ** * * * *** ** * * * , A);



}
answered by (-90 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.7.46
©2016-2024

Related questions

0 like 0 dislike
43 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13025 - Available when: Unlimited - Due to: Unlimited
| 1.2k views
0 like 0 dislike
49 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13023 - Available when: Unlimited - Due to: Unlimited
| 1.3k views
0 like 0 dislike
39 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13020 - Available when: Unlimited - Due to: Unlimited
| 1.3k views
0 like 0 dislike
7 answers
[Exercise] Coding (C) - asked Oct 27, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 15399 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00
| 284 views
12,783 questions
183,443 answers
172,219 comments
4,824 users