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7th Grade Math:  The Engineer's Triangle
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After reviewing types of angles and how to measure angles using a protractor, students will see how many triangles they can construct using an 18-foot beam.  Through this activity, students will discover the conditions that must be met to construct a triangle.  For example, the sum of the lengths of two sides of a triangle must be greater than the longest side of the triangle.  They will also discover that the sum of the angles of a triangle is always 180 degrees.

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
William Allred
Carrie Robledo
Date Added:
05/06/2021