Geometri Günlüğü

Sunday, February 28, 2021

1670. Euler to Euler

- February 28, 2021 No comments:

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Labels: Centroid, Circumcenter, Circumcircle, Euler Line, Inversion

Saturday, February 27, 2021

1669. A Variant of Congruent Circles

- February 27, 2021 No comments:

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Labels: Centroid, Cevian Triangle, Congruent Circles, Orthocenter, Reflection

1668. Conic by Tangents to Incircles

- February 27, 2021 1 comment:

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Labels: Circumcenter, Conic, Incenter, Incircle, Orthocenter, Tangent

Friday, February 26, 2021

1667. Taylor Circle of Tangential Triangle(Conway Circle of Medial Triangle)

- February 26, 2021 2 comments:

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Labels: Concyclic Points, Excenters, Excentral Triangle, Spieker Center, Tangent, Taylor Circle

Thursday, February 25, 2021

1666. Lines Through Circumcenter

- February 25, 2021 1 comment:

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Labels: Brocard axis, Centroid, Circum conic, Circumcenter, Euler Line, Transformation

Tuesday, February 23, 2021

1665. Locus For K001-Neuberg Cubic

- February 23, 2021 4 comments:

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Labels: Congruent Circles, Euler Line, Incenter, K001-Neuberg Cubic, Perspective Triangles, Reflection, X(104)

Monday, February 22, 2021

1664. Congruent Circles

- February 22, 2021 2 comments:

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Labels: Cevian Triangle, Congruent Circles, Gergonne Point, Orthocenter, Reflection

1663. Congruent Circles

- February 22, 2021 1 comment:

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Labels: Centroid, Cevian Triangle, Congruent Circles, Incenter, Perspective Triangles, Reflection

Saturday, February 20, 2021

1662. Conic Triangle of Incenter

- February 20, 2021 2 comments:

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Labels: Conic, Conic Triangle, Incenter, Perspective Triangles

Thursday, February 18, 2021

1661. Cyclologic Triangles

- February 18, 2021 1 comment:

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Labels: Circlecevian Triangle, Circumcircle, Cyclologic Triangles

Wednesday, February 17, 2021

1660. Neuberg to Neuberg

- February 17, 2021 No comments:

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Labels: Circlecevian Triangle, Concurrent Lines, Fermat Points, K001-Neuberg Cubic

Monday, February 15, 2021

1659. Concurrent Lines-Equilateral Triangles

- February 15, 2021 1 comment:

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Labels: Brocard axis, Circlecevian Triangle, Circumcircle, Equilateral Triangle, Isodynamic Points, X(110)

Sunday, February 14, 2021

1658. Brocard Points-Orthologic Triangles

- February 14, 2021 No comments:

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Labels: Brocard Points, Orthocenter, Orthologic Triangles

Saturday, February 13, 2021

1657. Locus For K261a-Evans(first) Cubic and K001-Neuberg Cubic

- February 13, 2021 No comments:

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Labels: Coaxial Circles, Concurrent Lines, Fermat Points, K001-Neuberg Cubic, K261a-Evans(first) cubic, Tangent

1656. Isodynamic Points-Equilateral Triangles

- February 13, 2021 No comments:

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Labels: Circlecevian Triangle, Equilateral Triangle, Isodynamic Points, X(110)

Friday, February 12, 2021

1655. Simson Lines-Equilateral Triangle

- February 12, 2021 No comments:

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Labels: Circumcevian triangle, Equilateral Triangle, Incenter, Isodynamic Points, Kiepert Hyperbola, NPC center, Simson Line

Thursday, February 11, 2021

1654. Conjecture On K001-Neuberg Cubic

- February 11, 2021 1 comment:

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Labels: Concyclic Points, K001-Neuberg Cubic, Tixier Point, X(476)

1653. Isodynamic Points-Equilateral Triangles

- February 11, 2021 1 comment:

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Labels: Circumcenter, Equilateral Triangle, Isodynamic Points, X(110)

1652. Concurrent Neuberg Cubics

- February 11, 2021 No comments:

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Labels: Circumcircle, K001-Neuberg Cubic, Orthocenter

Wednesday, February 10, 2021

1651. A Conic Problem

- February 10, 2021 No comments:

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Labels: Circumcenter, Con-conic Triangles, X(110), X(206)

Monday, February 8, 2021

1650. A Circle Through Feuerbach Point

- February 08, 2021 No comments:

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Labels: Concyclic Points, Incenter, X(11)-Feuerbach Point, X(115)

1649. Isodynamic Points-Equilateral Triangle

- February 08, 2021 No comments:

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Labels: Circumcevian triangle, Equilateral Triangle, Isodynamic Points, Orthocenter

1648. Symmedian Point-Isodynamic Points-Equilateral Triangle

- February 08, 2021 No comments:

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Labels: Equilateral Triangle, Isodynamic Points, Symmedian point

Sunday, February 7, 2021

1647. A Conic Problem

- February 07, 2021 1 comment:

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Labels: Circumcevian triangle, Conic, Euler Line, Incenter, Midpoint

Saturday, February 6, 2021

1646. Fermat Points-Equilateral Triangle

- February 06, 2021 1 comment:

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Labels: Equilateral Triangle, Fermat Points

Thursday, February 4, 2021

1645. Group of Circles

- February 04, 2021 1 comment:

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Labels: Brocard axis, Brocard Circle, Circumcenter, Concyclic Points, Midpoint, Symmedian point

Wednesday, February 3, 2021

1644. Concurrent Circles, Bicentric Pairs?

- February 03, 2021 1 comment:

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Labels: Bicentric Pairs, Circumcevian triangle, Concurrent Circles, Symmedian point

Tuesday, February 2, 2021

1643. Concyclic Points

- February 02, 2021 No comments:

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Labels: Circumcevian triangle, Concyclic Points, Incenter, NPC center

Monday, February 1, 2021

1642.

- February 01, 2021 1 comment:

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Labels: Concurrent Circles, Evans Perspector, Incenter, Kosnita Point

1641. Isodynamic Points-Equilateral Triangle

- February 01, 2021 No comments:

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Labels: Equilateral Triangle, Isodynamic Points, Orthocenter, Tangent

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1988. Circumcenters On Euler Line

Let ABC be a triangle with P, Q are two points on Euler line of ABC. A',B',C' are inverse images of A,B,C through circle diame...

1970. Lines Through Incenter
1846. A Circle Center on Euler Line
1977. Triangles With Same Centroid

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Dr. Abdilkadir Altıntaş: EMİRDAĞ, AFYONKARAHİSAR, Türkiye

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