alleryIn elementary geometry, a cone is assumed to be of which kind?
ARight circular
BOblique circular
CDouble-nappe cone
DTruncated cone
Answer & Solution
Correct answer: A. Right circular
1. In common usage in elementary geometry cones are assumed right circular.
2. That means a circle base perpendicular to the axis.
3. Double and truncated cones are special cases, not the default.
_Source: Wikipedia, Cone, lead section_
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