204,610 views
26 votes
26 votes
Help with this one I don't understand.

Help with this one I don't understand.-example-1
User Giancarlos
by
3.3k points

1 Answer

13 votes
13 votes

Answer:The radius r3 of K3 is the differenz r3 = r1 – r2.

The tangent O2 –> K3 is || to the tangent on K1 and K2 and

can be easily constructed. This gives the solution.

A. E.

Explanation:

User Cihad Turhan
by
2.9k points