Grade 5 Math: Regular and Irregular Polygons
This worksheet helps fifth-grade students understand and identify regular and irregular polygons based on their side lengths and angle measures.
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Grade 5 Math: Regular and Irregular Polygons
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Read each question carefully and follow the instructions. Remember that regular polygons have all sides equal and all angles equal. Irregular polygons do not have all sides equal OR all angles equal.
1. Which of the following describes a regular polygon?
All sides are different lengths.
All angles are different measures.
All sides are equal AND all angles are equal.
It has curved sides.
2. Which shape is an example of an irregular polygon?
A square
A rectangle that is not a square
An equilateral triangle
A regular pentagon
3. All squares are regular polygons.
True
False
4. A polygon with 5 equal sides and 5 equal angles is an irregular pentagon.
True
False
5. A polygon is considered if all its sides are equal in length and all its angles are equal in measure.
6. A triangle with sides measuring 3 cm, 4 cm, and 5 cm is an example of an polygon.
7. Look at the shape below. Is it a regular or irregular polygon? Explain your answer.
8. Draw a regular quadrilateral and label its side lengths.
Match each description with the correct polygon type.
9. A polygon with 6 equal sides and 6 equal angles.
a. Irregular Pentagon
10. A polygon with 4 sides where opposite sides are equal, but not all angles are equal.
b. Regular Hexagon
11. A polygon with 5 sides of different lengths.
c. Irregular Quadrilateral
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