Technical Graphics - Exam Papers - HL - 2001

The figure shows the elevation, plan and end view of the tailboard of a tipper truck.
The tailboard features a design based on a regular pentagon and tangents to a circle.
(a) Draw the given views.
(b) Draw the plan of the tailboard when it has rotated to a position at 45° to the vertical plane as indicated by the dotted line in the end view.