0 like 0 dislike
1.9k 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 | 1.9k 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:108.162.216.207
©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
| 2.2k 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
| 2.4k 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
| 2.2k 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
| 542 views
12,783 questions
183,443 answers
172,219 comments
4,824 users