Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!


In this concurrence activity, 10th graders solve 10 different problems related to determining various concurrences. First, they determine which type of triangle has two altitudes outside of it. Then, students determine the distance between the centroid and the orthocenter. In addition, they determine which type of circle is formed in the circumcenter.

4 Views 34 Downloads
Resource Details

4 more...
Resource Types
2 more...
Usage Permissions
Fine Print

Be the first to comment

Join Lesson Planet Community, our free teacher discussion forum, to share ideas about this resource, and more.

Join the Conversation

What Members Say

Elizabeth E.
Lesson Planet has helped me come up with ideas for lesson plans.
Elizabeth E., Teacher
Wichita, KS