قطر
preferred label: diameter @en
type: Concept
related: قضیه تالس

قضیه تالس
related: قطر
related: دایره
broader: زاویه
preferred label: Thales theorem @en
type: Concept

دایره
preferred label: circle @en
type: Concept
related: قضیه تالس

زاویه
preferred label: angle @en
type: Concept
narrower: قضیه تالس