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The edges of the cuboid ABCDEFGH define the following geometric elements:
plane 
,
plane 
,
the line p,
the line q.
The following relationships apply between the elements:
The plane passes through the points C, D and H.
The plane passes through the points A and E and is perpendicular to the plane .
The line p represents the intersection of the planes and .
The line q lies on the plane and intersects the line p at the point D at a right angle.
Substitute the above four geometric elements correctly in the cuboid and write down the relationships between them with symbols.
