0 like 0 dislike
5.5k 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 | 5.5k views
0 0
Called for Help

35 Answers

0 like 0 dislike
Hidden content!
* ** * *** ** *
** * * * * * *** * **

int ** *

{



float *** a;float b;




** ** *** * * *** ***
***
** ** ** *
**** * *** * *** * **
* * 0;

}
answered by (-276 points)
0 like 0 dislike
Hidden content!
** * * * **** *
*** * ** *

int * ** *

{



float * a;float b;




* * ** *** ** *** **
* *
* ** * * ***
***** ** **
*** 0;

}
answered by (-276 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>
** * ** ** ** * ***** * ** main()

    {
** ***** **** * **** ** ** * ** a,b,c;
* * ** ** ** * * * * * * * * ** * * *** * ** ** ** * ** *
** * * ** * * *** ** ** *** = sqrt(3);
** ** * * * ****** * **** * * ** ** = ((b / 4) * (a * a));
** * * ** ****** * * ** * ** * *** * * ** ** ***** *
*** ***** * ** *** * ******** *** ** * ***** 0;
** ** ******** ** * **
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <math.h>





int main() {
*** *** *** * * * ***

// *** ** **** *** * * * ** *
*** * * **** *** * *** a = 0;
* * * * ***** ** *** ** ***
* * * * * * ** * * *** * * ****
* ** ****** **
* **** * ** * * * ** ** * ***** * ** * *
* ** * ** * * * * *
* ** *** ** * * *** * 0;

}
answered by (-126 points)
0 like 0 dislike
Hidden content!
* ***** ****
* * ** *** ***



int main()

{
* ** * ** ** * *** * * n;
*** ** * *** * ***** * * ** * * * ** **
* * *** ** * ** *** * ** * * ** * * * * * * * / 4 * n * n);

}
answered by (18k points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.31
©2016-2026

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
| 6.9k 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
| 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
| 6.5k 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
| 1.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users