0 like 0 dislike
501 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
| 501 views

21 Answers

0 like 0 dislike
Hidden content!
* * * * * ** *



int {

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

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include ****** * *** *



int main()

{
* *** ** * ****** * * * length = 0 ;
* * * ** *** * ** ** ***** * * * *** * * * * * *

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

}
answered by (-162 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main()

{
**** * *** * ** ** ** * i = 0;
* * * * * ** * * k;
* **** * ** * * **
***** * *** *** ** * * ** *** ** **** * *
****** *** ** ** ** ****
********* * * * ** * ** / 4 * (i * i);
* * * ** * * ** ***
* ** ** * * ** ** * * ** * ** * ** *
* * * * * * * * *
* *** * *** ****** ***** *
* **** ** *** *
*** *** ** * ** ** * * * * * ** * * * * * *
* * * * * ***** * ** * ** 0;

}
answered by (-264 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
** *** ** ** **

#include<math.h>

int main()

{
** ******* ** ** * * ** a;
*** ** * * ** ** *** ** * s=0;
** ** * *** ** ***
* **** * * ** ** * **** ** * * *** *** ** * *
* * * * * * * * ** * = (sqrt(3)/4)*(a*a);
******* * * *** * * ** * ** *** * ** *
** * ** * *** * * * ** * ** * ** *
** * ** ******** ***** *** 0;

}
answered by (156 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>

#include<math.h>



int main()



{   
**** ** * ** *** ***
** * * * * *** * x;
* * * *** * * * * * *
* ** ** *** ** **** ** y;
* * ** ** * ** **
* * * * ** ***** ** * *** ******* * ** **
*** * ***** **** ** ** *
** * **** *** ****** * * * * *
***** ** ** ** * ** ****
*** ** * ** *** *** **** * ** * *** ** **


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

}
answered by (122 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include *** * ** **



int main(int argc, char *argv[])

{
* * *** * ** **** ******* l,t;
* ** ** * ** * *** *** * * *** * * * *
** * * ** *** ** * * *** **
** * * * * *** * ** *** ** *** * * *** * ** ** *** * * **
* * *** * * **
* * ** * * * * * **** **** *** * ****
* * **** ****** *
* ***** * * * **** * * ** 0;

}
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include ** * ** * * *

#include ** **** * * * **

#include <math.h>

int main()

{
****** * * ** ** * *** a, s;
* *** * ** ** **** * * * **** * ***** ** * *** *
****** ****** ****** * * ** * **
* ****** *** *** * *** ** ******* * * * *


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

}
answered by (-146 points)
0 like 0 dislike
Hidden content!
#include *** * * ****** **
* ** * * **

int main()

{
*** * *** **** * *** *** length;
* * ** * *** ** * *** * * * * **** ** *** * * * *
* * *** * **** * ** * * **** area=0;
* * ** * ** ** * ***** = (1/4) * sqrt(3) * length * length;
* * ** * * *** ** * **** * **** ** ****** area);
** * *** * * * ** 0;

}
answered by (-202 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
* * * *** *** *

#include<math.h>



int main()



{
** * ** * * * * **** ** a = 0 , b = 0  ;
* *** * ****** *
* ** * * *** * ** ******* ** **** * , &a);
** ** * * * * *
* * * ******* * * * ** *** = (sqrt(3)*a*a)/4;
**** *** * * * *
* * *** * * * **** * * * ****
** * * * * *** * * * * * *
* * * * * * * ***** * * ********** ** ** * , b );
* * * * ** *** *** ***
* ** * * * * * * **** * ** * * *
* *** *** * ** * *** ** * * * * 0 ;
** * ** *** ****** ** **

}
answered by (-186 points)
0 like 0 dislike
Hidden content!
** * ***** * **** **
*** ** **** * *
***** ** **** ** **






* *

a , **


* * ** * ** ***** , ** *


** = ** * * **


** ** * * * , *





****** ** *** * *


* *** 0;












answered by (-194 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.126.69
©2016-2024

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
| 595 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
| 625 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
| 1.2k 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
| 153 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
183,443 answers
172,219 comments
4,824 users