The diagram is a cross-section of the edge of a door. The circle is a seal fitted into a V-shaped groove in the door. The centre of the circle is at C .
All lengths are in millimetres.
Now mark your work . . . . . . . . . . . . . . . The diagram is a cross-section of the edge of a door. The circle is a seal fitted into a V-shaped groove in the door. The centre of the circle is at C . All lengths are in millimetres.