The figure
below shows a point P on a circle O and two diameters AB and CD. PE and PF
are perpendicular to AB and CD, respectively. If CG is perpendicular to
AB, prove that CG and EF are congruent.

See also

Conformal Mapping or Transformation of Problem
1382

Geometry Problems

Ten problems: 1381-1390

Visual Index

Open Problems

All Problems

Circle

Diameter

Perpendicular lines

Congruence

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