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:172.69.17.94
©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
| 2.5k 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
| 4.2k 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
| 734 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