33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
3599891
328202
2
Public Timelines
FAQ

jan 1, 114 - Ptolemy Best achievement

Description:

Established mathematically that an object and its mirror image must make equal angles to a mirror.This is important because it helps mathematicians know how a mirror has equal angles.

Added to timeline:

Date:

jan 1, 114
Now
~ 1913 years ago