The figure below shows
an isosceles triangle ABC (AB = BC). D is a point on AC and line DO is
perpendicular to AC so that OD = OB. The circle with radius OB intersects
AB and CB extended at E and F, respectively. If AE = e, AD = d, and CD = f,
prove that x = e.(f^{2})/(d^{2})

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Geometry Problems

Ten problems: 1391-1400

Visual Index

Open Problems

All Problems

Isosceles Triangle

Circle

Perpendicular lines

90 Degrees Angle

Tangent Line

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