0 like 0 dislike
1.9k 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 | 1.9k 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:172.70.179.135
©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
| 2.1k 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
| 2.4k 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
| 2.2k 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
| 540 views
12,783 questions
183,443 answers
172,219 comments
4,824 users