PRMO 2015. p8. broken piece of a circular plate made of glass
Source:
April 9, 2024
geometry
Problem Statement
8. The fi gure below shows a broken piece of a circular plate made of glass.
https://cdn.artofproblemsolving.com/attachments/7/3/a49f60d803f802c54e2295932b34579514b4fe.png
is the midpoint of , and is the midpoint of arc . Given that cm and cm, what is the radius of the plate in centimetres? (The fi gure is not drawn to scale.)