0 like 0 dislike
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 | 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:172.70.50.50
©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
| 6.3k 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
| 7.2k 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
| 5.9k 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
| 1.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users