Fiddles

A movable triangle and some associated circles, showing

Drag the points A, B and C about to see the how things change.


Draw:

A few points to note. The three perpindicular bisectors intersect at the center of the excircles. The three angle bisectors intersect at the center of the incircle. Each perpindicular bisectors intersects with and anglebisector at a point on the excircle. Equlatrial and isosceles triangles have other notable properties.

If you want to play with the code you can clone the fiddle page.

Readers comments

Add a comment/link:

Enter your comment about this page here.

Subject:

 

LinksTo add a link to another website with useful info add the details here.
Name of Site:
URL for Site:
Details:

Your Name:
email address:
Email addressed added here will not be displayed on the website or be passed to third parties.
They are used incase we need to get in touch with you.
8 + 4 =
Answer the sum to prove your not a robot. As we all know robots can't add.
To prevent spam all comments are moderated, comments with spam or swearing are blocked.