# C Exercises: Find angle between given hour and minute hands

## C Programming Mathematics: Exercise-28 with Solution

Write a C program to find the angle between the hour and minute hands.

Example:

Input: int ha = 11

int ma = 30

Output: Angle between hour and minute hands 165

**Sample Solution:**

**C Code:**

```
#include <stdio.h>
#include <math.h>
int calcAngle(int ha, int ma)
{
if (ha == 12)
ha = 0;
if (ma == 60)
ma = 0;
int hour_angle = (int)(0.5 * (ha*60 + ma));
int minute_angle = (int)(6*ma);
int angle = abs(hour_angle - minute_angle);
int ang = 360-angle;
return (ang > angle) ? angle : ang;
}
int main(void)
{
int ha = 11;
printf("\nAngles move by hour hand: %d",ha);
int ma = 30;
printf("\nAngles move by minute hand: %d",ma);
if (ha <0 || ma < 0 || ha > 12 || ma > 60)
{
printf("\nWrong input..!");
}
else
{
printf("\nAngle between hour and minute hands %d",calcAngle(ha, ma));
}
}
```

Sample Output:

Angles move by hour hand: 11 Angles move by minute hand: 30 Angle between hour and minute hands 165

**Flowchart: **

**C Programming Code Editor:**

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