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(Q6410)
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subclass of
solid figure
0 references
convex set
0 references
hyperball
0 references
defining formula
{
x
→
:
|
|
x
→
−
x
0
→
|
|
2
≤
r
2
}
{\displaystyle \left\{{\vec {x}}:||{\vec {x}}-{\vec {x_{0}}}||^{2}\leq r^{2}\right\}}
applies to part
closed set
0 references
{
x
→
:
|
|
x
→
−
x
0
→
|
|
2
<
r
2
}
{\displaystyle \left\{{\vec {x}}:||{\vec {x}}-{\vec {x_{0}}}||^{2}<r^{2}\right\}}
applies to part
open set
0 references
has quality
surface area
defining formula
S
=
4
π
r
2
{\displaystyle S=4\pi r^{2}}
0 references
volume
defining formula
V
=
4
3
π
r
3
{\displaystyle V={\frac {4}{3}}\pi r^{3}}
0 references
Sitelinks
⧼wikibase-sitelinks-mywikigroup⧽
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