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Why do vertical lines appear to converge upward when sketching a tall building from below?

Answer and explanation

Correct answer: Because of three-point perspective

The governing concept is three-point perspective. In a low-angle view, the building’s vertical edges do not remain parallel in the picture; they recede upward toward a third vanishing point above the horizon or outside the frame. The two horizontal directions may already lead to left and right vanishing points, while the vertical direction adds the third. Light, paper tilt, and actual width do not explain this systematic convergence, so A is correct.

Related tags

Three-Point PerspectiveVertical ConvergenceBuildingLow-Angle ViewPerspective DrawingArt EducationClass 9 Mcq

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