0 like 0 dislike
1.9k 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)AD by (18k points)
ID: 13421 - Available when: Unlimited - Due to: Unlimited
| 1.9k views

21 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
* *** * *** * * *****

#include<math.h>

int main()

{
* **** ** ** ** ******* * ** a,b,c,d;
* ** ** * * ** *** ****** * ** ** **
* * * * * * ** * * *
* ** * ** * ****** * ** * *
* ***** * * ** * * **** * *****




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

}
answered by (-188 points)
0 like 0 dislike
Hidden content!
#include * *** ** *** *

#include ** * *

#include ** *** **

int main(void) {
* ***** *** ******* ** * * * x,a;
* * * ** * *** * *** *** * ** * * **
***** ** ** * ** *** *** *** *** *
** * * * * * *** **** * ************ ** ***
** * * *** * * * ** *** EXIT_SUCCESS;

}
answered by (-38 points)
0 like 0 dislike
Hidden content!
#include * **** ****
* * * ** ******* ***

#include **** ***



int main()

{
* * **** ** * ** * * *** a, area = 0;
** * *** * * * ** * ** * ****** * **** ** **
** ** * * ***** *** * ** * = ** / 4) * (a * a);
*** * * *** * * * ******* ** *** area);


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

}
answered by (-214 points)
0 like 0 dislike
Hidden content!
#include * *** * * *
* * ** * * *

int main()

{
** * ** * * *** * * length;
* ** * **** * * * * ** ** *** * * * *
* ** ** * ** * area;
** ****** * * * **** *** = sqrt(3) /4 * length * length;
**** ** ** * ** * ** * ** ** * ** * * * area);
** * ** * ************ * 0;

}
answered by (-202 points)
0 like 0 dislike
Hidden content!
* * * ** ** **
* ** ** **
* * * * * *** * * *



int main() {

int A;

float B;
** *** * * * * ***
* * * *
** * * ** *** ***
0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
** * *** * ****



int * {

int A;
*** B;
* * * ** ** *** *
** * * **
* ** ** ** *
* 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
* *** * ******



int *** {

int A;
* ** * B;
* *** * * ** ** ** *
* ** *
* * *** *** **
* ** 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
*** * * ** * ** **



int {

int A;
** * B;
* *** *** *** * *
** * * *
* * ** * ** ****
* * * 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
* * * ****



int *** {

int A;
* * * B;
* * * * **** * * *** **
****** * * *
* ** * * **** **
** 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
** * ** * ** *** *



int *** {

float A,B;
* * *** ******** **
* ** *******
** * * * ** ** ***
* 0;

}
answered by (-102 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.130.43
©2016-2025

Related questions

0 like 0 dislike
23 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13024 - Available when: Unlimited - Due to: Unlimited
| 2.4k views
0 like 0 dislike
21 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13022 - Available when: Unlimited - Due to: Unlimited
| 2.3k views
0 like 0 dislike
54 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 13021 - Available when: Unlimited - Due to: Unlimited
| 4.1k views
0 like 0 dislike
3 answers
[Exercise] Coding (C) - asked Oct 27, 2016 in 2016-1 程式設計(一)AD by Shun-Po (18k points)
ID: 15398 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00
| 725 views
0 like 0 dislike
0 answers
[Resource] asked Dec 31, 2016 in 2016-1 程式設計(一)AD by laich (937 points)
ID: 20301 - Available when: Unlimited - Due to: Unlimited
| 16 views
12,783 questions
183,442 answers
172,219 comments
4,824 users