K–12 teaching and learning · from the UNC School of Education
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- Objective 3.01
- Identify, define, describe, and accurately represent triangles, quadrilaterals, and other polygons.
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- Objective 3.02
- Make and test conjectures about polygons involving:
- Sum of the measures of interior angles.
- Lengths of sides and diagonals.
- Parallelism and perpendicularity of sides and diagonals.
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- Objective 3.03
- Classify plane figures according to types of symmetry (line, rotational).
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- Objective 3.04
- Solve problems involving the properties of triangles, quadrilaterals, and other polygons.
- Sum of the measures of interior angles.
- Lengths of sides and diagonals.
- Parallelism and perpendicularity of sides and diagonals.
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