At the start of class, I give the students a 15-minute mini lesson that shows them the basics of how to construct the incenter of a triangle (they have already bisected angles in the past). Then I show them how to work a problem similar to problem 2 on this worksheet, and then I set them to task!
Students will need their construction tools.
I use this activity within cooperative groups, and I circulate to make sure they are getting the purpose of the questions.
The file includes spiral review problems.
This worksheet is intended to be written on directly.
Please download the pdf preview file first, so you can see exactly what's included; the product file is a word document, which you may personalize for your students.
Immediately before this worksheet, I use the worksheet named 'Midsegments Circumcenters and Angle Bisectors Fall 2013' (http://www.teacherspayteachers.com/Product/Midsegments-Circumcenters-and-Angle-Bisectors-Fall-2013-1070678
), and immediately after this worksheet, I use the worksheet named 'Medians Centroids and the Triangle Inequality Fall 2013' (http://www.teacherspayteachers.com/Product/Medians-Centroids-and-the-Triangle-Inequality-Fall-2013-1055701
Keywords: incenter, angle bisector, angle bisectors, incenters, Jonnard