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Geometry
3.G.1Co
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The
McG
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Com
pani
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McG
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-Hill
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Name
Lesson 2
Polygons
Practice
Describe each shape. Determine the number of sides and angles. Then classify each shape.
1. sides 2. sides
angles angles
This is a(n) . This is a(n) .
3. 7 Identify Structure Classify the polygons that are used to create the figure s hown.
Homework Helper
The front of the bird house shown has the shape of a polygon. Describe and classify the polygon.
The polygon has 5 sides and 5 angles.
It is a pentagon.
Need help? connectED.mcgraw-hill.com
triangle
hexagon
quadrilaterals
6 3
6 3
hexagon triangle
Program: GMH CCM Component: SEPDF Pass
Vendor: Quad Graphics Grade: 3
Lesson 2 My Homework�843
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Test Practice 10. Which of the following figures is a hexagon?
A B C D
Problem Solving
4. What is another name for a square, other than polygon?
5. 5 Use Math Tools Draw and label the polygon you would get when you fold the hexagon shown, in half along the dotted line.
6. Is the figure shown to the right a polygon? Explain.
Vocabulary Check
Choose the correct word to complete each sentence.
hexagon polygon quadrilateral
7. A is a closed two-dimensional figure formed of three or more straight sides that do not cross each other.
8. A is a polygon with 6 sides and 6 angles.
9. A is a polygon with 4 sides and 4 angles.
Polygons help me see!
quadrilateral
No; Sample answer: polygons only have
straight lines.
quadrilateral
hexagon
quadrilateral
polygon
844�Need more practice? Download Extra Practice at connectED.mcgraw-hill.com
Program: GMH CCM Component: SEPDF Pass
Vendor: Quad Graphics Grade: 3
Vocab
0843_0844_Gr3_S_C14L2HW_116191.indd 8440843_0844_Gr3_S_C14L2HW_116191.indd 844 6/8/11 10:31 AM6/8/11 10:31 AM