0 like 0 dislike
4.2k 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 | 4.2k 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:172.70.80.233
©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
| 5.5k 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
| 6.3k 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
| 5.1k 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
| 1.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users