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Heron's Calculation of Triangle Area (MSTE)

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Visit this site: http://www.mste.uiuc.edu/dildine/heron/triarea.html

Author:James P. Dildine; University of Illinois at Urbana-Champaign (UIUC)
Description: The area of a triangle can be calculated using a formula attributed to Heron of Alexandria. This calculation requires that the lengths of all three sides be known. This activity includes an Excel file to calculate the area of a triangle, and Java and Sketchpad files to experiment with interactive triangles. Explore the Triangle Inequality Theorem while exmining the acceptable ranges for the third side of a triangle.

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Lesson Plans and Activities, Problems/Puzzles, Documents/Sketches/Galleries, General Software Miscellaneous, Geometer's Sketchpad, Web Interactive/Java
Math Topics: Triangles and Other Polygons

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