Science Buddies will be making upgrades, beginning Saturday April 18 at 10:00PM PST for approximately 4 hours.
While we do not expect this to significantly interrupt our services, our website might be slower during the maintenance window.
We apologize for any inconvenience!
Home Store Project Ideas Project Guide Ask An Expert Blog Careers Teachers Parents Students

Tangent Circles & Triangles Hint #2

If you're having a hard time coming up with a solution, keep in mind the strategy for completing a proof.

The diagram below contains one final addition, which will help you to complete the logical chain of facts. A new line segment has been constructed from point D to the new point, H, such that DH is parallel and equal to the line segment from Oa to Ob, connecting the centers of the circles.

If you've done your background research, you should be able to complete the proof with the information you now have available.

Return to Hint #1.

Return to Tangent Circles & Triangles main project page.