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Right angle

In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or .

Measurement, Euclid & Overview

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Euclid

Euclid's ElementsComplementaryProclusSaccheriHilbert
6 related topics

Overview

GeometryTrigonometryAngleDegreesRadians
14 related topics

In elementary geometry

RectangleQuadrilateralSquarePythagorean theorem
4 related topics

Generalizations

Solid angleOctant of a sphereSr
3 related topics

Topics to explore

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Overview

Etymology

In elementary geometry

Symbols

Euclid

Conversion to other units

Rule of 3-4-5

Thales' theorem

Generalizations

Advanced semantic analysis

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Map overview Semantic statistics

Right angle

Nodes45
Edges44
Triples41
Avg. degree1.96
Density0.044444
Components1

How this topic connects Entity context

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Right angle

Top relations

related to Symbols · 15
Right angle → BOTTOM LEFT CORNER, British English, DOT, European, German-speaking, In, In Unicode, It, MEASURED RIGHT ANGLE WITH, Poland, Related, RIGHT ANGLE VARIANT WITH, RIGHT ANGLE WITH ARC, SQUARE, The
related to Euclid · 14
Right angle → Book, Definition, Euclid, Euclid's, Euclid's Elements, In Hilbert's, One, Postulate, Proclus, Right, Saccheri, The, They, Two
related to Rule of 3-4-5 · 4
Right angle → From, It, Pythagorean, Throughout
related to Etymology · 3
Right angle → Greek, Latin, The
related to Thales' theorem · 2
Right angle → Thales, Two
is a · 1
Right angle → angle of exactly 90 degrees or .mw-parser-output .sfrac
related to Generalizations · 1
Right angle → The
related to In elementary geometry · 1
Right angle → The Pythagorean

Important terminology Word statistics

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Important terminology

right angle angles perpendicular geometry euclid theorem triangle lines line trigonometry straight two equal form square units thales' see also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Right angleis aangle of exactly 90 degrees or .mw-parser-output .sfrac0.90text
Right anglerelated to EtymologyThe0.60section
Right anglerelated to EtymologyLatin0.60section
Right anglerelated to EtymologyGreek0.60section
Right anglerelated to EuclidRight0.60section
Right anglerelated to EuclidEuclid's Elements0.60section
Right anglerelated to EuclidThey0.60section
Right anglerelated to EuclidBook0.60section
Right anglerelated to EuclidDefinition0.60section
Right anglerelated to EuclidThe0.60section
Right anglerelated to EuclidEuclid0.60section
Right anglerelated to EuclidTwo0.60section

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    Min side: 3
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