0 like 0 dislike
5k 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 | 5k views
0 0
Called for Help

35 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
*** ** * *

int main()

{
* * ** * ** ** * ** a;
** ** ** **** * * *** A;
*** ** ** * * * *********** * *** * &a);
**** * * * ** * *** * * * * * * **
*** * ** * * * * ** ** ** ** ** *
*** * *** *** *** ****
** * **** * * **** * * 0;
** * * ** ** ***

}
answered by (-124 points)
0 like 0 dislike
Hidden content!
** ** **** * *
** * **** **** **** *** **





 int main ()

{
* * ** * ** * * ** * * **** **** a,b;
** * * * ** ** ** * * *** * * * * * ** &a);


* *** ***** *** ** * * ** = sqrtf(3)/4*(a*a);


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


* * *** ** * 0;

}
answered by (-383 points)
0 like 0 dislike
Hidden content!
* *******
** ** * * * ** **



 main()

{
** ******* * * **


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


* * *** *




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

}
answered by (-383 points)
0 like 0 dislike
Hidden content!
* * *** *** * *
* ** * **** **
* **** ** * * * ***

int main()

{

float **
* ** ** ** * * ******* ***

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






* * * ** * system ** ** * * * ** * *
** ** * * ***** return 0;
*** **
answered by (-136 points)
0 like 0 dislike
Hidden content!
** * * *
****** * * * ** *** *
*** ** * ***** * **





int main(){


* **** * * * **** * i, a, j;
** * * ** * * ** ** ** ** * * *


** * * * * * * * *** = sqrt(3) / 4;


* * * ** ** ** * * * * * = i * (a * a);


** * ** * *** ** * ** ** * * *** * *** j);



return 0;

}
answered by (-105 points)
0 like 0 dislike
Hidden content!
** * ** * ** * ***
* *** * *** * * *





 int main ()

{
* * * * ** * ** * **** a,b;
** **** * * * * ****** **** ***** *** ** * * * * * &a);


** *** * **** * * * ** = sqrtf(3)/4*(a*a);


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


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

}
answered by (-143 points)
0 like 0 dislike
Hidden content!
******* *** **
*** * * ** *





 int main ()

{
* * * * ** * * * * * ** a,b;
* * **** * * *** * *** * ** * *** * ** * ** &a);


** ** * * ** ** * ** * = sqrt(3)/4*(a*a);


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


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

}
answered by (-143 points)
0 like 0 dislike
Hidden content!
#include * * * * *

#include * ** * * * * *

#include * ** * **



int main()

{
* * ** * * * * * * * * a;
* ** **** * ** * * ***** ****** **** * ** ***
** ** ****** *** * * ** * * ***** * * * ** *
* * * * * *** ********* * * 0;

}
answered by (-85 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
** * ***** ** * *** * *** ** a;
* * *** * * * * * * * ** **** area;
* ***** * *** *** **
* *** *** ** * ** *** * * * * * *** * ** *
** * * **** * * ** * **** ***
* **** ** * ***** * *** * * *** * ***

 }
answered by (-124 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * * * ** *

#include <math.h>

int main()

{
** ** ** * * * * * *** ** ** * a, b;
* ** * **** *** * * * ** *** *** ****
* ** * * * * * * * ****
**** * * * ***** ** ** *** * * **
** ** * ** * * ** * * *** * * * ***
** ** *** * * * * ** **** 0;
* * * * * **** * *******
answered by (-122 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.59
©2016-2025

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
| 6.3k 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
| 7.2k 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
| 5.9k 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
| 1.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users