Right angle (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Right angle" in Simple English language version.

Last modified: 09:24:11, 4 October 2026 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

low place

109^th place

1,091^st place

142^nd place

low place

2,189^th place

mathopenref.com (Global: low place; Simple English: 2,189^th place)

"List of Geometry and Trigonometry Symbols". Math Vault. 2020-04-17. Retrieved 2020-09-21.

Weisstein, Eric W. "Perpendicular". mathworld.wolfram.com. Retrieved 2020-09-21.