Heron's Calculation of Triangle Area (MSTE)
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|James P. Dildine; University of Illinois at Urbana-Champaign (UIUC)|
|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)|
|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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