Complementary angles

Quality:

Complementary angles - two angles which sum up to 90 degrees (or π/2 radians). Article “Complementary angles” in Simple English Wikipedia has 0.1 points for quality (as of July 1, 2026).

This article has the best quality in Greek Wikipedia. However, the most popular language version of this article is Spanish.

Since the creation of article “Complementary angles”, its content was written by 10 registered users of Simple English Wikipedia and edited by 359 registered Wikipedia users in all languages.

The article is cited 2 times in Simple English Wikipedia and cited 326 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #432 in September 2017
• Global: #8802 in January 2012

The highest popularity rank from 2008:

• Local (Simple English): #2928 in October 2018
• Global: #24343 in February 2010

There are 24 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Greek (el) Συμπληρωματικές γωνίες		30.7231
2	Catalan (ca) Angles complementaris		25.9257
3	Finnish (fi) Komplementtikulmat		25.0063
4	Norwegian (no) Komplementvinkel		21.3455
5	Polish (pl) Kąty dopełniające się		17.0864
6	Arabic (ar) زاويتان متتامتان		16.1396
7	Spanish (es) Ángulos complementarios		10.9827
8	Chinese (zh) 余角		10.5064
9	Turkish (tr) Tümler açılar		6.0566
10	Persian (fa) زاویه‌های متمم		4.9361

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	Spanish (es) Ángulos complementarios		3 972 707
2	Italian (it) Angolo complementare		558 727
3	Arabic (ar) زاويتان متتامتان		300 562
4	Persian (fa) زاویه‌های متمم		285 016
5	French (fr) Angles complémentaires		273 834
6	Turkish (tr) Tümler açılar		147 459
7	Chinese (zh) 余角		58 477
8	Serbo-Croatian (sh) Komplementan ugao		55 964
9	Catalan (ca) Angles complementaris		44 970
10	Russian (ru) Дополнительные углы		43 156

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	Spanish (es) Ángulos complementarios		269
2	French (fr) Angles complémentaires		175
3	Persian (fa) زاویه‌های متمم		173
4	Chinese (zh) 余角		159
5	Simple English (simple) Complementary angles		74
6	Turkish (tr) Tümler açılar		72
7	Greek (el) Συμπληρωματικές γωνίες		61
8	Italian (it) Angolo complementare		56
9	Russian (ru) Дополнительные углы		56
10	Slovenian (sl) Komplementarna kota		33

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	Spanish (es) Ángulos complementarios		105
2	Italian (it) Angolo complementare		66
3	French (fr) Angles complémentaires		32
4	Catalan (ca) Angles complementaris		19
5	Polish (pl) Kąty dopełniające się		18
6	Arabic (ar) زاويتان متتامتان		16
7	Russian (ru) Дополнительные углы		13
8	Finnish (fi) Komplementtikulmat		10
9	Simple English (simple) Complementary angles		10
10	Chinese (zh) 余角		10

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	Norwegian (no) Komplementvinkel		2
2	Arabic (ar) زاويتان متتامتان		1
3	Polish (pl) Kąty dopełniające się		1
4	Catalan (ca) Angles complementaris		0
5	Greek (el) Συμπληρωματικές γωνίες		0
6	Esperanto (eo) Komplementaj anguloj		0
7	Spanish (es) Ángulos complementarios		0
8	Basque (eu) Angelu osagarriak		0
9	Persian (fa) زاویه‌های متمم		0
10	Finnish (fi) Komplementtikulmat		0

The following table shows the language versions of the article with the highest number of citations.

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information