Plato explains that we know geometry by

Plato explains that we know geometry by our gain knowledge through recollection. Our soul is what recollects this place hence we came where there exist unchanging truths. Delivered the theory of Forms, according to which the world people know by means of the senses is just an imitation of the eternal, pure, eternal, and fixed world of the Forms.

 If u have desmos you can use that as well

Step-by-step explanation:   Have A Great Day ;)