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Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH.

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Presentation on theme: "Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH."— Presentation transcript:

1 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH

2 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the line of intersection?

3 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the line of intersection? HE

4 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH

5 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH H E

6 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the plane ABHE? H E

7 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the plane ABHE? Rectangle H B A E

8 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the plane CDEH? H B A E

9 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH What’s the plane CDEH? Rectangle H B C A D E

10 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH Find a line perpendicular to the line of intersection HE. H B C A D E

11 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH Find a line perpendicular to the line of intersection. H B C A D E

12 Exercise 4.4 Q.4 (a) Angle between ABHE and CDEH ∠BHC or ∠AED H B C A D E


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