B B2B111 Pages: 2

6. A cube of 65 mm long edges has it vertical faces equally inclined to the VP. It is cut by
a section plane perpendicular to the VP so that the true shape of the section is a regular
hexagon. Determine the inclination of the cutting plane with HP and draw the sectional

top view and true shape.

7 A pentagonal prism, having a base with a 30 mm side and a 70 mm long axis, is resting
on its base on H.P. such that one of the rectangular faces is parallel to the V.P. It is cut
by an auxiliary inclined plane making an angle 45° with the H.P. and passes through the
midpoint of the axis. Draw the sectional top view, and the development of the lateral
surface of the truncated prism.

8. A square pyramid 40mm base edge and height 80 mm 15 resting on its base on the
ground plane with one edge 45° inclined to PP witch is 30 mm in front of the object.
The station point is 50 mm. in front of the PP, 100 mm above the ground plane and lies
in a vertical plane which is 40mm towards right of center of the pyramid. Draw the

perspective view of the block.

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