(&) The frustum of a right pyramid rests centrally on a block which is 2 inches 

 square and | inch high. Two side faces of the block are inclined at 30° 

 to the vertical plane of projection as is shown in the accompanying 

 vdews. The lower base of the frustum is 1 inch square, with each side 

 parallel to the corresponding edge of the block; the upper base is | inch 

 square; the height of the frustum is 1| inches. In each of the views as 

 shown there are mistakes and omissions. Required to make a correct 

 sketch of each view. 



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