0 like 0 dislike
3.5k 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 | 3.5k 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:172.69.17.199
©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
| 4.4k 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
| 5.3k 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
| 4.1k 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
| 1.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users