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Geometry: Incenter, Incircle, Inradius of a triangle, Theorems
and Problems.
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Proposed Problem 117. Area
of triangle, incenter, excircles, tangent.
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Proposed Problem 114. Area of
triangle, incenter, incircle, excircle.
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Proposed Problem 113. Area of
triangle, incenter, incircle, excircle.
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Proposed Problem 110. Area of
Contact Triangle. Incenter, Incircle. |
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Proposed Problem 96. Similar
Triangles, Incenters, Parallelogram. |
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Proposed Problem 95. Similar
Triangles, Inradii, Parallel. |
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Intouch and Extouch Triangles. Puzzle cut: 20 Piece Classic
Based on Proposed Problem 86. |
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Proposed Problem 86. Intouch and
Extouch Triangles, Areas. |
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Contact Triangles. Puzzle cut: 22 Piece Polygons
Based on Proposed Problem 85. |
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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 82. Area of the
Contact Triangle, inradius, circumradius. |
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Proposed Problem 81. Area of a
triangle, side, incircle, incenter, inradius, circumradius. |
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Proposed Problem 80. Area of a
triangle, side, incircle, incenter,, inradius. |
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Problem 79: Triangle.
Similarity, Altitudes, Orthocenter, Incenter, Incircles, Inradii. |
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Proposed Problem 68: Triangle, Incircle, Inradius, Tangent, Similarity.
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Proposed Problem 64: Triangle, Incircle, Transversal. |
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Proposed Problem 52: Triangle, angles, incircle.
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Puzzle: Sangaku Problem. Incircles, incenters, |
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