Answered: Let ABC be triangle and I its incenter.…

Let ABC be triangle and I its incenter. Denote D the midpoint of BC and E a the midpoint of arc BC containing vertex A. Prove angle IDB = angle IEA.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter6: Circles

Section6.4: Some Constructions And Inequalities For The Circle

Problem 10E

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Question

Geometry

Let ABC be triangle and I its incenter. Denote D the midpoint of BC and E
a the midpoint of arc BC containing vertex A. Prove angle IDB = angle IEA.

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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