About This Lesson
Why does this fold create an angle of sixty degrees?<br />Aligned to Common Core State Standards: 7.G.2 , 8.G.7
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Standards
Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle.
Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.
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Hands on activity to get students thinking about the relationship of angles in triangles.