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Geometry Problems 81 - 90
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Proposed Problem 81. Area of a
triangle, side, inradius, circumradius. |
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Proposed Problem 82. Area of the
Contact Triangle, inradius, circumradius. |
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Proposed Problem 83. Area of the
Excircle Contact Triangle, exradius, circumradius. |
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Proposed Problem 84. Contact
Triangles Areas, Incircle, Excircle, Inradius, Exradius. |
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Proposed Problem 85. Contact
Triangles Areas, Incircle, Excircle. |
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Proposed Problem 86. Intouch and
Extouch Triangles, Areas. |
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Proposed Problem 87. Area of
Quadrilaterals and Midpoints of Diagonals. |
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Proposed Problem 88. Triangle and Quadrilateral Areas, Midpoints. |
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Proposed Problem 89. Triangles of equal area, Midpoints. |
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Proposed Problem 90.
Quadrilateral and Triangle Areas, Midpoints. |
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