Possibility to pack circles into a rectangle?

Question

Python

How to understand whether it is possible to put 2 circles with radii r1 and r2 into a rectangle l on w

Answer 1

Take a piece of paper.
Draw an example of two circles inscribed in a rectangle.
Think.
Suspect that the point of contact of the circles will always lie on the line connecting their centers. To prove it.
Draw a line between the centers of the circles and perpendiculars from the centers to the sides of the rectangle.
To realize that you just need to determine whether the line between the centers will fit into the dimensions of the rectangle minus the radii of the circles ... Do some math
.