🔍 Part 1: Polygon Investigation

1. What is a polygon?

A shape with curved sides

A closed shape with straight sides

Any round shape

A shape with no sides

2. How many sides does a pentagon have?

4 sides

5 sides

6 sides

8 sides

3. Which shapes are polygons? Check all that apply:

Triangle

Circle

Rectangle

Oval

Hexagon

4. A quadrilateral has _______ sides and _______ vertices.

Fill in the blanks with the correct numbers.

📐 Part 2: Polygon Classification

5. Match each polygon name with the correct number of sides:

Triangle: _____ sides

Hexagon: _____ sides

Octagon: _____ sides

Pentagon: _____ sides

6. Look at a stop sign. What type of polygon is it?

7. Draw a polygon with exactly 6 sides in the box below. Label it with its correct name.

8. What is a line of symmetry?

A line that divides a shape into two matching parts

A line that goes around the outside of a shape

A curved line inside a shape

A line that measures the angles

🎨 Part 3: Detective Challenge

9. Draw lines of symmetry on this square. How many lines of symmetry does a square have?

Number of lines of symmetry: _____

10. Real-world polygon hunt! Name three objects you can find at home or school that are shaped like polygons. Write the object and the polygon name.

Object 1: _________________ Polygon type: _________________

Object 2: _________________ Polygon type: _________________

Object 3: _________________ Polygon type: _________________

11. Create your own polygon with 7 sides (heptagon) in the space below. Make sure all sides are straight and the shape is closed!

Polygon Detective Worksheet

Polygon Detective Worksheet

🔍 Part 1: Polygon Investigation

📐 Part 2: Polygon Classification

🎨 Part 3: Detective Challenge

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