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Practice Workbook SE - East Penn School District

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Name<br />

LESSON 17.1<br />

Lines, Rays, and Angles<br />

Vocabulary<br />

Fill in the blanks.<br />

1. A is part of a line and has one endpoint.<br />

2. When two rays have the same endpoint, they form an .<br />

3. A angle forms a square corner.<br />

4. An angle is less than the measure of a right<br />

angle.<br />

5. An angle is greater than the measure of a right angle.<br />

Draw and label an example of each.<br />

6. point D 7. line MN 8. ray DE<br />

D<br />

•<br />

What kind of angle is each? Write right, acute, or obtuse.<br />

M<br />

•<br />

N<br />

•<br />

E<br />

•<br />

D<br />

•<br />

•<br />

•<br />

•<br />

9. 10. 11.<br />

•<br />

•<br />

•<br />

12. 13. 14.<br />

© Harcourt<br />

Mixed Review<br />

9<br />

7<br />

<br />

8<br />

8<br />

<br />

7<br />

4<br />

<br />

15. 16. 17. 18.<br />

10<br />

6<br />

<br />

19. 14 2 20. 36 6 21. 42 6 <br />

<strong>Practice</strong><br />

PW91

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