These are the Answers to the Surface Area Worksheet (http://www.edhelper.com/math/volume105,htm

All answers are rounded to the nearest tenth as requested.

1. Do Not Do

2. 333 sq m  (Area of each triangle is 30 sq m, area of rectangles are 109.2, 118.3, 45.5)

3. 325.5 sq in (Area of each base is 72.35, area of lateral surface is 180.86

4. Do Not Do

5. 4914 sq cm (Area of top, bottom, left, and right are 864, Area of front and back are 729)

6. Do Not Do

7. 611.7 sq in (Area of each base is 81.67, area of lateral surface is 448.39)

8. 3150 sq cm (Area of front and back is 525, area of left and right is 315, area of top and bottom is 735)

9. 3311 sq mm (Area of each triangle is 924, area of rectangles are 313.5, 532, 617.10)

10. 146.1 sq mm (Area of top, bottom, front, and back are 19.72, area of left and right are 33.64)

11. 392 (Area of front and back is 46, area of left and right is 12, area of top and bottom is 138)

12. Do Not Do

These are the Answers to the volume Worksheet (http://www.edhelper.com/math/volume102.htm

1. 11253.8 cu yd

2. 857.1 cu in

3. 274.7 cu ft

4. Do Not do

5. 346.2 cu cm

6. 2079 cu km

7. 1205.8 cu cm

8. 235.1 cu km

9. 396.3 cu ft

10. 1019.0 cu m

11. 1118.6 cu yd

12. 93800 cu in