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:172.71.254.236
©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