MathDB
Easy pentagon geo

Source: 44th International Tournament of Towns, Junior O-Level P3, Fall 2022

February 16, 2023
Tournament of TownsgeometrypentagonAngle Chasing

Problem Statement

A pentagon ABCDEABCDE is circumscribed about a circle. The angles at the vertices AA{}, CC{} and EE{} of the pentagon are equal to 100∘100^\circ. Find the measure of the angle ∠ACE\angle ACE.
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