Question

what defining characteristic of euclids postulates makes them the basis of geometry? postulates cant be assumed to be true, so they must be proven postulates are unnecessary postulates are a sentence describing different figures postulates are \obvious\ statements that are assumed to be true

Explanation:

Euclid's postulates are fundamental statements in geometry that are accepted as true without proof. They serve as the starting - point for deriving other geometric theorems.

Answer:

Postulates are "obvious" statements that are assumed to be true