Exercise 6A Q.11 (b) Angle between AFGD and EPQH

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the line of intersection?

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the line of intersection? XY Y X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the line of intersection? XY Y X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the plane AXYD? Y Y X X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the plane AXYD? Rectangle D Y Y A X X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the plane EXYH? D Y Y A X X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH What’s the plane EXYH? Rectangle D Y H Y A X E X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH Find a line perpendicular to the line of intersection XY. D H Y Y A X E X

Exercise 6A Q.11 (b) Angle between AFGD and EPQH ∠DYH or ∠AXE D H Y Y A X E X