0 like 0 dislike
2.9k 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 | 2.9k 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:172.71.255.22
©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
| 3.5k 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
| 3.9k 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
| 3.4k 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
| 1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users