Skills Practice Workbook - Glencoe

11–1
NAME DATE PERIOD
Skills Practice
Parts of a Circle
Use �A at the right to determine whether each statement is true or false.
1. A�T� is a radius of �A. true
2. �R�B� is a chord of �A. false
3. ZU � 2(ZA) true
4. SA � SW false
5. AT � BX false
6. S�W� is a diameter of �A. true
7. S�W� is a chord of �A. true
8. AT � AZ true
9. A�T� is a chord of �A. false
10. SU � RX false
11. SA � AU true
12. S�Y� is a chord of �A. true
13. SC � SA false
14. Z�U� is a chord of �A. true
15. Z�U� is a radius of �A. false
16. B�U� is a chord of �A. false
Circle W has a radius of 15 units, and �Z has a radius of 10 units.
17. If XY � 7, find YZ. 3
18. If XY � 7, find WX. 8
19. If XY � 7, find TX. 23
20. If XY � 7, find WR. 28
© Glencoe/McGraw-Hill 61 Geometry: Concepts and Applications
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