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:172.70.179.67
©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