Grade 3 Polygon Guide
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Grade 3 Polygon Guide
Polygon Basics
A polygon has straight sides, no openings, and at least three sides.
- Triangle
- Circle
- Square
- Heart-shaped outline
- Pentagon
- 2
- 3
- 4
- 5
Polygon Names and Side Counts
Triangle: 3 sides; quadrilateral: 4; pentagon: 5; hexagon: 6; heptagon: 7; octagon: 8; nonagon: 9; decagon: 10.
- Triangle
- Quadrilateral
- Pentagon
- Hexagon
- Nonagon
- Decagon
- 10 sides
- 6 sides
- 9 sides
- 3 sides
- 5 sides
- 4 sides
- Hexagon
- Decagon
- Pentagon
- Octagon
Regular and Irregular Polygons
A regular polygon has all sides the same length and all angles equal. A polygon is irregular if its sides are not all the same length or its angles are not all equal.
- A square
- A rectangle that is not a square
- An equilateral triangle
- A regular hexagon
- A triangle with sides of different lengths
3 printable pages
Page 1
Page 2
Page 3
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