Looking at the surface of a smooth 3-dimensional object from the outside,…
GATE · 2023 · CS · General Aptitude
Looking at the surface of a smooth 3-dimensional object from the outside, which one of the following options is TRUE?
- A.
The surface of the object must be concave everywhere.
- B.
The surface of the object must be convex everywhere.
- C.
The surface of the object may be concave in some places and convex in other places.
- D.
The object can have edges, but no corners.
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