Geometry: Parallel Chords in a Circle, Congruent Arcs, Theorems and Problems, Index

Chord. Index.
A chord of a circle is the line segment joining two points on the circle. 

Geometry Problem 708.
Circle, Tangent, Intersecting, Lune, Area, Diameter, Common Chord, Parallel Chords.

Geometry Problem 649.
Archimedes Book of Lemmas: Proposition 10
Tangent, Chord, Parallel Chords, Midpoint.

Geometry Problem 628
Cyclic Quadrilateral, Congruence, Parallel Lines.

Problem 487.
Intersecting Circles, Area, Diameter, Parallel, 90 Degrees, Common Chord, Parallel Chords.

Problem 72: Intersecting Circles. Cyclic quadrilateral, Chords, Parallel Chords.
Intersecting circles, Common Chord.

Problem 337.
Isosceles Trapezoid, Angle bisector, Parallel, Concyclic points, Chord, Parallel Chords.

Proposed Problem 316.
Circular segments and Inscribed Squares, Chord, Parallel Chords.

Proposed Problem 313.
Circle, Chord, Tangent, Perpendicular, Geometric Mean, Chords, Parallel Chords.