alleryWhich solid has only a curved surface and no flat face?
ACone
BCuboid
CCylinder
DSphere
Answer & Solution
Correct answer: D. Sphere
1. A cone has a flat base and a cylinder has two flat ends.
2. A cuboid has only flat faces.
3. A sphere has one surface that is not flat, so it has no flat face.
_Source: Math Is Fun, Sphere (mathsisfun.com/geometry/sphere.html), Sphere Facts_
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