0 like 0 dislike
567 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
| 567 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:172.70.174.22
©2016-2023

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
| 638 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
| 692 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
| 1.4k 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
| 173 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
14,666 questions
235,516 answers
212,167 comments
5,696 users