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Q39.A solid created by rotating a planar-shape about an axis is called a 'Surface of Revolution'. The figure below shows a shape and the axis of revolution which is used to create such a solid. Which of the options would be the correct top view of this solid?

Q41.A 3D illusion painting is created on a road. Shown on the left is how it appears to a viewer in perspective. If this illusion has to be sketched on paper, before it is painted, which one of the options on the right would be correct?

CEED2019Q40·mcq·Medium

Identify the option that will replace the question mark.