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Circles - Table of Content
(Page 20)
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Circumcircles or circumscribed circle
Proposed Problem
92. Similar Triangles, Circumcircles, Circumradii, Parallel. |
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Artwork of Problem 1169,
Complete Quadrilateral |
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Intouch and Extouch Triangles.
Puzzle cut: 20 Piece Classic
Based on Proposed Problem 86. |
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Geometry in Venetia Diamond Mine, South Africa.
Circular Shapes. |
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Proposed Problem
86. Intouch and Extouch Triangles, Areas. |
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Taylor Circle Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.
Henry Martyn Taylor and the blind student of mathematics
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Proposed Problem 85. Contact
Triangles Areas, Incircle, Excircle. |
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Proposed Problem 84. Contact
Triangles Areas, Incircle, Excircle, Inradius, Exradius. |
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Proposed Problem 83. Area of the
Excircle Contact Triangle, exradius, circumradius. |
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Proposed Problem 82. Area of the
Contact Triangle, inradius, circumradius. |
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Proposed Problem 81. Area of a
triangle, side, inradius, circumradius. |
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Proposed Problem 80. Area of a
triangle, side, incircle, inradius. |
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Proposed Problem 79: Triangle.
Similarity, Altitudes, Orthocenter, Incircles, Inradii. |
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Proposed Problem 78: Angles of a Circle.
Perpendicular and parallel lines, Midpoint, Diameter, Chord, Cyclic
quadrilateral, Congruence.
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Proposed Problem 77: Angles of a Circle.
Parallel lines, Cyclic quadrilateral.
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Proposed Problem
76: Area of a Circle. Square,
Circle, Circular Sector. |
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Proposed Problem
74: Three Intersecting Circles. Cyclic
quadrilateral, Angles.
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Proposed Problem
73: Three Intersecting Circles. Cyclic
quadrilateral.
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