Section G.3 – Solutions to the Practice Problems

1.
Exact: [latex]\sqrt{128}[/latex] in
Approximate: 11.31 in

2.
Exact: [latex]\sqrt{261}[/latex] cm
Approximate: 16.16 cm

3.
Exact: [latex]\sqrt{48}[/latex] in
Approximate: 6.93 in

4.
Exact: [latex]\sqrt{119}[/latex] cm
Approximate: 10.91 cm

5.
a. 15.59 in
b. 140.31 in²

6.
a. $2,520,000
b. $1,942,017
c. $577,983

7. 192.1 miles

8. 10.6 ft

9.
a. 1940.26 ft
b. 330,814.33 ft²

10. 11.7 units

11. 4.42 units

12. 5.19 in

13. 92.4 ft

14. j = 9.5 units, k = 15 units

15. 5 units

16. 72 ft

17. 3 m

18. 3 ft

19. 125 ft

20. 75.8 ft

21. 4 m