Shape It Up

Students will derive the formula for the sum of the interior angles of a polygon by drawing diagonals and applying the Triangle Sum Theorem. The measure of each interior angle of a regular polygon is also determined.
Resource ID#: 49192 Type: Lesson Plan
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General Information

Subject(s): Mathematics
Grade Level(s): 8, 9, 10
Intended Audience: Educators educators
Suggested Technology: Document Camera
Instructional Time: 2 Hour(s)
Resource supports reading in content area:Yes
Freely Available: Yes
Keywords: polygon, interior angles, Sum of the interior angles of a regular polygon, Triangle Sum Theorem, the measure of an interior angle of a regular polygon
Instructional Component Type(s): Lesson Plan
Instructional Design Framework(s): Learning Cycle (e.g., 5E)
Resource Collection: CPALMS Lesson Plan Development Initiative

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