square blackboard geometry

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Size: 3000px × 2000px
Location:
Photo credit: © PixelsAway / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: black, blackboard, board, chalk, chalkboard, deep, eraser, geometry, horizontal, jetblack, mathematics, pattern, pythagoras, pythagorean, smuge, square, swarthy, texture, theorem, triangle, white