G.GCI.3 Circumcenter & Circumcircle Action!
1.
What can you conclude about the 3 smaller blue points? What are they? How do you know this?
2.
What vocabulary term best describes each brown line? Why is this?
3.
Describe the intersection of these 3 brown lines. How do they intersect?
6.
Is it ever possible for the circumcenter to lie outside the triangle? If so, how would you classify such a triangle by its angles?
7.
Is it ever possible for the circumcenter to lie on the triangle itself? If so, how would you classify such a triangle by its angles? And if so, where exactly on the triangle is the circumcenter found?
8.
Is it ever possible for the circumcenter to lie inside the triangle? If so, how would you classify such a triangle by its angles?
9.
What is so special about the purple circle with respect to the triangle's vertices?
Quick (Silent) Demo
10.
What previously learned theorem easily implies that the distance from the circumcenter to any vertexis equal to the distance from the circumcenter to any other vertex?