MathDB

8

Part of 2015 India PRMO

Problems(1)

PRMO 2015. p8. broken piece of a circular plate made of glass

Source:

4/9/2024
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 CC is the midpoint of ABAB, and DD is the midpoint of arc ABAB. Given that AB=24AB = 24 cm and CD=6CD = 6 cm, what is the radius of the plate in centimetres? (The fi gure is not drawn to scale.)
geometry