Appendix IV Solutions to Selected Problems Chapter 2 2.1.0.77(m) 2.2.75% 2.3.0.114(cm)(Not0.1195cm) 2.4.1.26×104(N) 2.5.36% 2.6.703.1(MPa) 2.7.0.233 2.8.△V=0 2.10.6=10.26% e=10.8% =105.8(MPa) c=95.49(MPa) 2.11.3.998(cm) 2.12.1=1.502(m) g=254.6MPa(<300MPa) 2.13.0.292 2.14.0.5(Disregard squares of small quantities). Chapter 3 3.1.(220) 3.2.Counterclockwise sequence starting with the front plane: (1010):(0110);(1100);(1010):(0110):(1100) 3.3.(a)a=60(equilateral triangles!);B=120 (b)a=109.47° 3.4.2(not6) 3.5.1/3,2/3,1/2 3.6.Hint:Draw two triangles,one vertically between the A and B planes and the other within the B plane. 3.7.[100K100)Appendix IV 2.1. 0.77 (m) 2.2. 75% 2.3. 0.114 (cm) (Not 0.1195 cm!) 2.4. 1.26 104 (N) 2.5. 36% 2.6. 703.1 (MPa) 2.7. 0.233 2.8. V
0 2.10. t
10.26% 
10.8% t
105.8 (MPa)
95.49 (MPa) 2.11. 3.998 (cm) 2.12. l
1.502 (m)
254.6 MPa (300 MPa) 2.13. 0.292 2.14. 0.5 (Disregard squares of small quantities). 3.1. (220) 3.2. Counterclockwise sequence starting with the front plane: (1010); (0110); (1100); (1010); (0110); (1100) 3.3. (a) 
60° (equilateral triangles!); 
120° (b) 
109.47° 3.4. 2 (not 6!) 3.5. 1/3, 2/3, 1/2 3.6. Hint: Draw two triangles, one vertically between the A and B planes and the other within the B plane. 3.7. {100} 100 Chapter 2 Solutions to Selected Problems Chapter 3