Description
Students find surface area of 3D objects composed of triangles and quadrilaterals. They use polyhedron nets to understand that surface area is the sum of the area of the faces and base(s).
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Credits
From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 3, Topic C, Lesson 21.
Available from engageny.org/resource/grade-7-mathematics-module-3-topic-c-lesson-21; accessed 2015-05-29.
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