0 like 0 dislike
5.5k 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 | 5.5k 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:162.159.115.32
©2016-2026

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
| 6.9k 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
| 8k 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
| 6.5k 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
| 1.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users