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The orthographic projection of an object placed in third quadrant represents that __________.

  • A.Object is below HP and behind VP.
  • B.Object is above HP and in front of VP.
  • C.Object is below HP and in front of VP.
  • D.Object is above HP and behind VP.

Answer: A

In the third quadrant the object is below HP and behind VP.

The horizontal plane (HP) and vertical plane (VP) divide space into four quadrants. In the first quadrant an object is above HP and in front of VP; in the third quadrant it is below HP and behind VP. Third angle projection places the object there, with the planes between the observer and the object.

'Above HP and in front of VP' is the first quadrant, 'above HP and behind VP' the second, and 'below HP and in front of VP' the fourth.

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