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C Exercises: Find the third angle of a triangle if two are given

C Input Output statement: Exercise-10 with Solution

Write a C  program to find the third angle of a triangle if two angles are given.

Pictorial Presentation:

C Input Output: Find the third angle of a triangle if two are given

Sample Solution:

C Code:

#include <stdio.h>
int main()  
{  
    int ang1, ang2, ang3; /*are three angles of a triangle  */
  
    /* Read two angles of the triangle from user separated by comma*/  
    printf("Input two angles of triangle separated by comma : ");  
    scanf("%d, %d", &ang1, &ang2);  
  
     ang3 = 180 - (ang1 + ang2);  /* Calculates the third angle  */
  
    printf("Third angle of the triangle :  %d\n", ang3);  
  
    return 0;  
}  
  

Sample Output:

Input two angles of triangle separated by comma : 50,70                                                       
Third angle of the triangle :  60  

Flowchart:

C Programming Input Output Flowchart: Find the third angle of a triangle if two are given.

C Programming Code Editor:

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Previous: Write a C program to perform addition, subtraction, multiplication and  division of two numbers.
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C Programming: Tips of the Day

Static variable inside of a function in C

The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().

The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.

The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().

Ref : https://bit.ly/3fOq7XP