perpendicular
related: right pyramid
related: Menelaus theorem
related: congruent angles
related: dihedral angle
related: construct a perpendicular bisector
broader: hyperbolic geometry
type: Concept
preferred label: عمود @fa

congruent angles
preferred label: زوایای همنهشت @fa
type: Concept
related: perpendicular

Menelaus theorem
preferred label: قضیه منلائوس @fa
type: Concept
related: perpendicular

right pyramid
preferred label: هرم قائم @fa
type: Concept
related: perpendicular

hyperbolic geometry
preferred label: هندسه هذلولوی @fa
type: Concept
narrower: perpendicular

dihedral angle
preferred label: زاویه دووجهی @fa
type: Concept
related: perpendicular

construct a perpendicular bisector
preferred label: رسم عمودمنصف @fa
type: Concept
related: perpendicular