0 like 0 dislike
1.7k 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
| 1.7k 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:172.69.59.83
©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
| 2.1k 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
| 2k 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
| 3.7k 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
| 627 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