Section G.5 – Solutions to Practice Problems

1.

Perimeter: 34 ft
Area: 36 ft²

2.

Perimeter: 141.42 ft
Area: 937.08 ft²

3.

Perimeter: 98 m
Area: 544 m²

4.

Perimeter: 107.98 cm
Area: 601.94 cm²

5.

Perimeter: 62 cm
Area: 168 cm²

6. 84 m²

7. 210 cm²

8. 139.27 km²

9. 87.96 ft²

10.

Perimeter: 20.57 in
Area: 28.57 in²

11. 226.23 cm

12. 87.5 cm²

13.

Perimeter: 24 m
Area: 19 m²

14.

Perimeter: 68.85 ft
Area: 284.55 ft²

15. 61.08 cm²

16.

Perimeter: 48.21 units
Area: 135 sq. units

17.

Perimeter: 65.31 m
Area: 230 m²

18. 47.32 cm²

19. 200 mm²

20. 40 in²

21.

a. 30 m²
b. 14 boxes
c. $596.40
d. $477.12

22.

a. 7.85 m²
b. 4 cans
c. $98

23.

a. 195 m
b. 2207 m²
c. seed: $3200.15; fence: $4582.50

24. 236 yd²

25.

a. Studio A: 1800 ft²; Studio B: 2200 ft²
b. Studio A: $0.75/ft²; Studio B: $0.68/ft²