Find the probability of landing in the shaded region of the figure. Rectangle with 2 inscribed circles. Length of the rectangle is 20m and the width is 10m

A Geometric Model: The ancient Greeks often discovered mathematical relationships by using geometric drawings. Study the accompanying drawing and use inductive reasoning to determine what needs to be put in place of the question mark the equation a true statement.

For the two circles in Figures (a), (b), and (c), find the total number of common tangents (internal and external). a) b) c)