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Skills Practice Workbook - Glencoe

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10–5<br />

24 in.<br />

12 cm 18 cm 4 ft<br />

2.5 cm<br />

NAME ______________________________________DATE __________PERIOD______<br />

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

Areas of Regular Polygons<br />

Find the area of each regular polygon.<br />

1. 2. 3.<br />

540 cm 2 60 ft 2 360 in 2<br />

4. 5. 6.<br />

3 cm<br />

38 in.<br />

24 in.<br />

28 in.<br />

© <strong>Glencoe</strong>/McGraw-Hill 58 Geometry: Concepts and Applications<br />

7 in.<br />

15 ft<br />

12 ft<br />

13 m<br />

22 in.<br />

22.5 cm 2 231 in 2 168 m 2<br />

Find the area of the shaded region in each regular polygon.<br />

7. 8. 9.<br />

1824 in 2 270 ft 2 80 m 2<br />

10. 11. 12.<br />

1344 in 2 351 m 2 177 cm 2<br />

18 m<br />

5 ft<br />

9 in.<br />

7 m<br />

10 in.<br />

6 m<br />

30 cm<br />

13 cm<br />

8 m<br />

5 m<br />

18 cm<br />

17 cm

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