# Python Example – Write a Python program to calculate arc length of an angle.

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Write a Python program to calculate arc length of an angle.

Note: In a planar geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.

Sample Solution:

Python Code:

``````
def arclength():
pi=22/7
diameter = float(input('Diameter of circle: '))
angle = float(input('angle measure: '))
if angle >= 360:
print("Angle is not possible")
return
arc_length = (pi*diameter) * (angle/360)
print("Arc Length is: ", arc_length)

arclength()
``````

Sample Output:

```Diameter of circle: 9
angle measure: 45
Arc Length is:  3.5357142857142856```

## Write a Python program to calculate arc length of an angle

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