0 like 0 dislike
3.9k 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 | 3.9k 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:172.71.254.120
©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
| 4.9k 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
| 5.8k 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
| 4.5k 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
| 1.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users