game one Vocabulary
Convex: All interior angles measure less than 180°Concave: At least one angle measures greater than 180°
Regular Polygons: All sides and angles are equal
Irregular Polygons: Not all sides or angles are equal
Cyclic: All vertices lie on a single circle
Reflection Symmetry: Two halves of a polygon are reflected images of the other; if the polygon is folded in half over the line of symmetry the two halves match exactly
Rotation Symmetry: When turning an image around its center point it will produce the same image. A regular polygon with n sides will have n rotation symmetries; example: a hexagon has six rotation symmetries
Degree: A unit of measures used to measure angles, a degree is also equal to 1/360th of a complete circle
Complementary Angles: Pairs of angles that add up to 90°
Right Angle: A single angle that measures 90°; example: a square has 4 right angles
Supplementary Angles: Two angles that form a straight line;the sum of two angles that equal 180°
Regular Polygons: All sides and angles are equal
Irregular Polygons: Not all sides or angles are equal
Cyclic: All vertices lie on a single circle
Reflection Symmetry: Two halves of a polygon are reflected images of the other; if the polygon is folded in half over the line of symmetry the two halves match exactly
Rotation Symmetry: When turning an image around its center point it will produce the same image. A regular polygon with n sides will have n rotation symmetries; example: a hexagon has six rotation symmetries
Degree: A unit of measures used to measure angles, a degree is also equal to 1/360th of a complete circle
Complementary Angles: Pairs of angles that add up to 90°
Right Angle: A single angle that measures 90°; example: a square has 4 right angles
Supplementary Angles: Two angles that form a straight line;the sum of two angles that equal 180°
Game gOALs
- I will understand the properties of polygons that affect their shape by being able to sort angles based on length of sides and size of angles.
- I will understand special relationships among angles by estimating, measuring, and drawing angles.
- I will understand the properties needed to construct polygons by drawing polygons with given conditions, and determining what conditions will produce a unique polygon.
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