Use the words in the box to complete these sentences:

1. The study of 2-dimensional shapes is called ____________ geometry.
2. The study of 3-dimensional shapes is called __________ geometry. We use this term even when the figures are hollow.
3. A ___________________ is a closed plane figure made up of line segments.
4. A _______________________________ is a four-sided polygon.
5. A _______________________________ is a quadrilateral with two pairs of parallel lines.
6. A quadrilateral with one pair of parallel sides is a ________________.
7. A quadrilateral with four equal sides and opposite sides parallel is a _________________.
8. A ______________________ is a quadrilateral with four right angles.
9. Two figures that are exactly the same shape but may be of different sizes are called ______________________ figures.
10. Two figures that are exactly the same size and shape are called _______________ figures.
11. A ___________________ polygon has all sides and angles equal.
12. A ______________ is the point where two rays meet to form an angle or the point where two line segments meet in a polygon.
13. A _________________ is a quadrilateral with all sides of equal length and four right angles.

 
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