18

Part of 2023 Sharygin Geometry Olympiad

Problems(1)

restore bicentral quadrilateral from arc midpoints

Source: Sharygin 2023 - P18 (Grade-9-11)

Restore a bicentral quadrilateral

ABCD

if the midpoints of the arcs

AB,BC,CD

of its circumcircle are given.

geometrybicentralarc midpointconstructive geometrySharygin Geometry OlympiadSharygin 2023