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Skills Practice Workbook - Glencoe

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13–3<br />

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

30°-60°-90° Triangles<br />

Find the missing measures. Write all radicals in simplest form.<br />

1. 2. 3.<br />

y<br />

30°<br />

x<br />

60°<br />

5<br />

x � 10, y � 5�3� x � 42, y � 21�3� x � 18, y � 9�3�<br />

4. 5. 29<br />

6.<br />

17<br />

60°<br />

x<br />

y<br />

30°<br />

x � 17�3�, y � 34 x � 29�3�, y � 58 x � 15, y � 15�3�<br />

7. 8. 9.<br />

y 30°<br />

42<br />

60°<br />

x<br />

x � 21, y � 21�3� x � 22, y � 22�3� x � 13�3�, y � 13<br />

10. 11. 12.<br />

y 30° 10√3<br />

60°<br />

x<br />

x � 10, y � 20 x � 19, y � 38 x � 28, y � 14<br />

13. 14. 15.<br />

x<br />

60°<br />

y 30° 12<br />

NAME DATE PERIOD<br />

x<br />

y<br />

30°<br />

60°<br />

60°<br />

21<br />

x � 4�3�, y � 8�3� x � 11�3�, y � 22�3� x � 16�3�, y � 24<br />

© <strong>Glencoe</strong>/McGraw-Hill 76 Geometry: Concepts and Applications<br />

y<br />

x<br />

60° 44<br />

y<br />

19√3 30°<br />

y<br />

30°<br />

60°<br />

x<br />

30° y<br />

33<br />

60°<br />

x<br />

x<br />

30°<br />

x<br />

60°<br />

9<br />

60°<br />

x<br />

y<br />

y<br />

60°<br />

26<br />

y<br />

30°<br />

30<br />

30°<br />

30°<br />

y<br />

60°<br />

14√3<br />

30° x<br />

8√3<br />

60°<br />

x 30° y<br />

x

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