Revision Exercise 6 Q.5 Angle between XEF and DEF

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the line of intersection?

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the line of intersection?

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the line of intersection?

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the line of intersection? E F

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the plane XEF? E F

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the plane XEF? Isosceles Triangle X E F

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the plane DEF? X E F

Revision Exercise 6 Q.5 Angle between XEF and DEF What’s the plane DEF? Equilateral Triangle X E F D

Revision Exercise 6 Q.5 Angle between XEF and DEF Find a line perpendicular to the line of intersection EF. X E F D

Revision Exercise 6 Q.5 Angle between XEF and DEF Find a line perpendicular to the line of intersection EF. X E F D

Revision Exercise 6 Q.5 Angle between XEF and DEF ∠XYD X Y E F D Y