0 like 0 dislike
6.5k 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 | 6.5k 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:162.159.115.9
©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
| 8k 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
| 9.2k 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
| 7.5k 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
| 2.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users