# Python Math: Calculate surface volume and area of a sphere

## Python Math: Exercise-6 with Solution

Write a Python program to calculate the surface volume and area of a sphere.

Note: A sphere is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball.

**Python: Surface volume and area of a sphere**

A sphere is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball.

In three dimensions, the volume inside a sphere is derived to be **V = 4/3*****π*****r ^{3}** where r is the radius of the sphere

The area of a sphere is **A = 4*****π*****r ^{2}**

**Sample Solution**:-

**Python Code:**

```
pi=22/7
radian = float(input('Radius of sphere: '))
sur_area = 4 * pi * radian **2
volume = (4/3) * (pi * radian ** 3)
print("Surface Area is: ", sur_area)
print("Volume is: ", volume)
```

Sample Output:

Radius of sphere: .75 Surface Area is: 7.071428571428571 Volume is: 1.7678571428571428

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