equilateral triangle (Q7777): Difference between revisions

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Revision as of 10:13, 1 May 2023 Fire (talk | contribs) Bureaucrats, Interface administrators, Administrators 132,236 edits ‎Created claim: has quality (P14): circumradius (Q5587) ← Older edit		Revision as of 10:13, 1 May 2023 Fire (talk | contribs) Bureaucrats, Interface administrators, Administrators 132,236 edits ‎Created claim: has quality (P14): reflection symmetry (Q5459) Newer edit →
		Property / has quality
			reflection symmetry
		Property / has quality: reflection symmetry / rank
			Normal rank

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Revision as of 10:13, 1 May 2023

geometric shape with three sides of equal length

• regular triangle
• equiangular triangle

Language	Label	Description	Also known as
English	equilateral triangle	geometric shape with three sides of equal length	regular triangle equiangular triangle

Statements

subclass of

regular convex polygon

follows

line segment

followed by

square

series ordinal

3

0 references

isosceles triangle

0 references

simplex

follows

line segment

followed by

regular tetrahedron

series ordinal

2

0 references

constructible polygon

0 references

equilateral polygon

followed by

rhombus

0 references

equiangular polygon

followed by

rectangle

0 references

has quality

perimeter

defining formula

${\displaystyle P=3a}$

0 references

area of plane shape

defining formula

${\displaystyle A=a^{2}{\frac {\sqrt {3}}{4}}}$

0 references

inradius

defining formula

${\displaystyle r={\frac {\sqrt {3}}{6}}a}$

0 references

circumradius

defining formula

${\displaystyle R={\frac {\sqrt {3}}{3}}a}$

0 references

reflection symmetry

0 references

 

Sitelinks

⧼wikibase-sitelinks-mywikigroup⧽(0 entries)

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