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:172.70.80.171
©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
| 5.3k 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
| 6.1k 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
| 4.9k 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
| 1.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users