Using the idea that two tangent lines from a point are equal find the perimeter of a circle

The video tutorial discusses tangent lines in geometry, explaining their properties and how they intersect circles at one point. It covers the concept of equal lengths of tangent lines from a common external point and demonstrates how to calculate the perimeter of a shape using these properties. The tutorial emphasizes understanding the relationships between tangent lines and their lengths to solve geometry problems effectively.

Describe how to determine if a line is tangent to a circle based on its length.

What steps would you take to calculate the total length of tangent lines given their individual lengths?