2. (1) 8.5× 4 = 34 (㎡) (2) 8.5 * 4 *1.5 = 5 1000 (cubic decimeter) = 51000 liters.

(3)8.5 * 4+(8.5 * 1.5+4 * 1.5)* 2 = 7 1.5(㎡)(4)34/(8.5 * 4)= 1(m) 1.5- 1 = 0.5(m)

3. Height:1512/18/14 = 6 (cm) A: No.

4. (10.6 * 7+10.6 *16+7 * 6) * 2 = 359.6 (square centimeter)

1 .812612dm6 square decimeter1square decimeter 7.9 86 0.98 9400 cubic centimeters 560 cubic centimeters 48 8 120 600 square centimeters 1000 cubic centimeters/kloc.

2.× × × × ×

3. BC

I hit the side.