Grade 3 Polygon Guide
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Grade 3 Polygon Guide
📐 What is a Polygon?
A polygon is a closed shape made of straight lines.
All polygons have:
• Straight sides (no curves)
• Closed shape (no openings)
• At least 3 sides
📊 Polygon Names and Sides
Learn the names of polygons by counting their sides:
• Triangle = 3 sides
• Quadrilateral = 4 sides
• Pentagon = 5 sides
• Hexagon = 6 sides
• Heptagon = 7 sides
• Octagon = 8 sides
• Nonagon = 9 sides
• Decagon = 10 sides
Answer: ________________
Pentagon has _____ sides
Hexagon has _____ sides
Triangle has _____ sides
🔍 Regular vs. Irregular Polygons
Regular Polygon: All sides are the same length and all angles are equal
Example: A square has 4 equal sides and 4 equal angles
Irregular Polygon: Sides are different lengths OR angles are different
Example: A rectangle has equal opposite sides but different adjacent sides
My polygon is a ________________ with _____ sides.
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