Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN: 9781285195698
Author: Daniel C. Alexander, Geralyn M. Koeberlein
Publisher: Cengage Learning
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Question
Let ABC be a triangle for which the tangent from A to the circumcircle intersects line BC
at D, and let O be the circumcenter. Construct the line that passes through A and is
perpendicular to OD. & intersects OD at E and BC at F. Let the circle passing through
ADO intersect BC again at H. It is given that AD = AO = 1.
A
(a) Find OE.
=
(b) Suppose for this part only that FH
determine the area of triangle
√12
OEF.
(c) Suppose for this part only that BC =
√3: determine the area of the triangle
OEF.
(d) Suppose that B lies on the angle bisector
of DEF. Find the area of the triangle
OEF.
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Transcribed Image Text:Let ABC be a triangle for which the tangent from A to the circumcircle intersects line BC at D, and let O be the circumcenter. Construct the line that passes through A and is perpendicular to OD. & intersects OD at E and BC at F. Let the circle passing through ADO intersect BC again at H. It is given that AD = AO = 1. A (a) Find OE. = (b) Suppose for this part only that FH determine the area of triangle √12 OEF. (c) Suppose for this part only that BC = √3: determine the area of the triangle OEF. (d) Suppose that B lies on the angle bisector of DEF. Find the area of the triangle OEF.
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