0 like 0 dislike
465 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
| 465 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:172.70.126.68
©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
| 556 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
| 586 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
| 1.1k 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
| 151 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