0843 0844 Gr3 S C14L2HW 116191
[Pages:2]Name
Geometry 3.G.1
Lesson 2 Polygons
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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.
Practice
Describe each shape. Determine the number of sides and angles. Then classify each shape.
1.
6 sides
2.
6 angles
3 sides 3 angles
This is a(n) hexagon .
This is a(n) triangle .
3.
7 Identify Structure Classify the polygons that are used to
create the figure shown.
triangle hexagon quadrilaterals
Copyright ? The McGraw-Hill Companies, Inc. The McGraw-Hill Companies
Lesson 2My Homework 843
Problem Solving
4. What is another name for a square, other than polygon?
quadrilateral
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.
Polymgeonsseeh!elp
quadrilateral
6. Is the figure shown to the right a polygon? Explain.
No; Sample answer: polygons only have straight lines.
Vocab
Vocabulary Check
Choose the correct word to complete each sentence.
hexagon polygon quadrilateral
7. A polygon is a closed two-dimensional figure formed
of three or more straight sides that do not cross each other.
8. A
hexagon
is a polygon with 6 sides and 6 angles.
9. A
quadrilateral
is a polygon with 4 sides and 4 angles.
Test Practice
10. Which of the following figures is a hexagon?
A
B
C
D
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844 Need more practice? Download Extra Practice at connectED.mcgraw-
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