education
education
A young teacher stands at the blackboard and explains the material on geometry to students
university
university
education
education
university
university
education
education
A geometry teacher draws a section of a pyramid with a plane with chalk on a blackboard
Caucasian teacher of geometry and mathematics draws with chalk on a blackboard
sitting
Female teacher addressing university students in a classroom
sitting
education
the brunette teacher near the white board
Young woman teacher writes on the blackboard with chalk closeup
Geometry teacher stands at the blackboard and draws a section of the pyramid with a plane with chalk
the brunette teacher near the white board
the brunette teacher near the white board
education
education
education
education
teacher teaches a lesson at the table
sitting
education
Meeting hall/ conference / classroom / business meeting
