Online Geometry: Congruence, Rotation, Translation, Reflection - Page 6
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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 65: Right Triangle, Mindpoints. |
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Interactive Hinged tessellation. Square tessellation - Dynamic Geometry.
Please be patient while the applet loads on your computer. This Java
applet requires Java 1.3 or higher. |
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Archimedes' Book of Lemmas.
Proposition 5,
Arbelos, Archimedean Twins.
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I have
used Geometry Expressions, the world's first Interactive
Symbolic Geometry System, to visualize the Archimedean Twins and
check out a variety of conjectures.
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Proposed Problem 60: Isosceles
triangle and angles. |
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Proposed Problem 59: Right and Equilateral Triangles, Midpoints |
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Proposed Problem 58: Right Triangle, Congruence, Perpendiculars. |
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Triangle and Squares 22
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Triangle and Squares
20
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Proposed Problem 49.
Angles and right triangle.
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Proposed Problem 48.
Angles and triangles.
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Proposed Problem 47.
Angles and triangles.
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Proposed Problem 46.
Angles and triangles.
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Proposed Problem 45.
Angles and triangles.
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Proposed Problem 44.
Angles and triangles.
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Proposed Problem 43.
Angles and triangles. |
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Proposed Problem 42.
Angles and triangles. |
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Proposed
Problem 37.
Right Triangle, altitude, incircles, incenters, and orthocenter. |
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Triangle and Squares
16
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Triangle and Squares
14 |
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Triangle and Squares 13 |
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