Galaxy Cases: White color chalk hand writing in mathematics formula (Pythagorean theorem or Pythagoras's theorem) on blackboard background

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Published: 2020-09-28 16:15:44.044897 Category: Science Type: Photo Model release: No

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Keywords

geometry, formula, triangle, side, variable, theorem, theory, mathematic, mathematic, education, science, laboratory, solving, lecture, class, scientific, calculate, scribble, equal, school, study, college, university, teacher, problem, worked, calculation, signs, number, equation, power, squared, cognition, solution, pythagoras, symbol, physics, write, hand, writing, handwriting, blackboard, black, board, texture, blackboard, chalk, background