Two circles with centers O and Q intersect at points E and F. AB and CD
are diameters of circles O and Q, respectively. AC cuts the circles Q and
O at G and H, respectively. BD cuts the circles Q and O at J and K. AK
cuts DG at L. BH cuts CJ at M. Prove that the points F, L, M, and E are
collinear.

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Geometry Problems

Ten problems: 1321-1330

Visual Index

Open Problems

All Problems

Intersecting Circles

Circle

Diameter

Secant

Collinear Points

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Artwork of problem 1321

Sketch of problem 1321

Geometry Problems

Ten problems: 1321-1330

Geometric Art

Geometry for Kids

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