An alternative triangle area strategy

T. L. Shockey 1 * , P. Zhang 2, P. Brosnan 3
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1 Curriculum & Instruction, University of Toledo, Toledo, OH, USA
2 Mathematics & Statistics, Winona State University, Winona, MN, USA
3 Teaching & Learning, The Ohio State University, Columbus, OH, USA
* Corresponding Author
EUR J SCI MATH ED, Volume 4, Issue 3, pp. 346-352.
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We explore the mathematics engagement of a group ofmathematics coaches, working in k-12 mathematics education. The incenter of a triangle is used to derive an alternative formula for the area of a triangle inspired by Usiskin, Peressini, Marhisotto, and Stanley (2002).


Shockey, T. L., Zhang, P., & Brosnan, P. (2016). An alternative triangle area strategy. European Journal of Science and Mathematics Education, 4(3), 346-352.