![](http://www.alamy.com/thumbs/6/29380019-5784-49EE-8AB2-A47382F7ADE8/J5E1T2.jpg)
blue drawing photo picture image copy deduction geometry circle angle
Size: 3456px × 2304px
Photo credit: © Bilderix / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 45, angle, architkt, blue, circle, copy, deduction, drawing, geodreieck, geometry, grad, image, mathematics, photo, picture, unterricht