Python Square Root | Square Root in Python | How to use Square Root in Python | #15

The Python Square Root Function

 Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: The Square Root Function in Python

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#python #square-root #vs-code

In this how to use square root in python visual studio code tutorial we are going to learn about using square root in python.
Are you trying to solve a quadratic equation? Maybe you need to calculate the length of one side of a right triangle. For these types of equations and more, the Python square root function, sqrt(), can help you quickly and accurately calculate your solutions.
The Python ** operator is used for calculating the power of a number. In this case, 5 squared, or 5 to the power of 2, is 25.

The square root, then, is the number n, which when multiplied by itself yields the square, x.

In this example, n, the square root, is 5.

25 is an example of a perfect square.

By the end of this article, you’ll learn:

What a square root is
How to use the Python square root function, sqrt()
When sqrt() can be useful in the real world

Python Program to Find the Square Root
In this program, you'll learn to find the square root of a number using exponent operator and cmath module.
In this program, we store the number in num and find the square root using the ** exponent operator. This program works for all positive real numbers. But for negative or complex numbers.
How to use square root in python visual studio code || Using Square root in python
How to use square root in python visual studio code || Using Square root in python
How to use square root in python visual studio code || Using Square root in python
How to use square root in python visual studio code || Using Square root in python

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 tennis court:

Now, assume his opponent has countered with a drop shot (one that would place the ball short with little forward momentum) to the opposite corner, where the other sideline meets the net:

How far must Nadal run to reach the ball?

You can determine from regulation tennis court dimensions that the baseline is 27 feet long, and the sideline (on one side of the net) is 39 feet long. So, essentially, this boils down to solving for the hypotenuse of a right triangle:

Using a valuable equation from geometry, the Pythagorean theorem, we know that a² + b² = c², where a and b are the legs of the right triangle and c is the hypotenuse.

Therefore, we can calculate the distance Nadal must run by rearranging the equation to solve for c: