Public Domain

Download  Blackboard Teaching Chalk Free Photo

Premium Images by iStock

Use promo code NEEDPIX15 to get -15% discount!

Check These Premium Stock Images Too! ×

Close

High quality

Smaller image

Copy link:

Keywords

blackboard teaching chalk the pythagorean theorem triangle school math angle hypotenuse geometry mathematics count board study the sum set mathematical formula calculation graphic at right angles learn free vector graphics free pictures free photos free images royalty free free illustrations public domain

Author

Pixaline (pixabay.com)

Other free (public domain) related images:

More related photos