Skills Practice Workbook - Glencoe

6–6
Skills Practice
The Pythagorean Theorem
Find the missing measure in each right triangle. Round to the nearest tenth, if necessary.
1. 2. c in.
3.
4 cm
3 cm
c cm
10 in.
5 26.9 26.2
4. 8 in.
5. 6.
b in.
9 in.
4.1 26.2 3.4
7. 8. 25 m
9.
3 in.
5 in.
c in.
NAME DATE PERIOD
a m
5.8 14.7 23.2
29 m
Find each missing measure if c is the measure of the hypotenuse. Round to the
nearest tenth, if necessary.
10. a � 15, b � 10, c � ? 18.0
11. b � 6, c � 10, a � ? 8
12. c � 100, b � 60, a � ? 80
13. c � 16, a � 9, b � ? 13.2
14. a � 2, b � 3, c � ? 3.6
15. c � 5, b � 2, a � ? 4.6
16. b � 7, c � 15, a � ? 13.3
17. c � 30, a � 20, b � ? 22.4
The lengths of three sides of a triangle are given. Determine whether each triangle is
a right triangle.
18. 3 cm, 4 cm, 5 cm yes
19. 1 ft, 1 ft, 2 ft no
20. 2 in., 2 in., 4 in. no
21. 8 m, 15 m, 17 m yes
22. 5 in., 10 in., 15 in. no
23. 14 cm, 48 cm, 50 cm yes
10 m
© Glencoe/McGraw-Hill 36 Geometry: Concepts and Applications
25 in.
28 m
a m
20 ft
4.5 m
a m
b ft
24 ft
33 ft
3 m
b ft
6 ft