Cyclic or Inscribed Quadrilateral with Perpendicular Diagonals - Table of Content
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![Dynamic Geometry 1472](../school-college/5/p1472-cyclic-quadrilateral-perpendicular-diagonal-rectangle-geogebra-1.jpg) |
Dynamic Geometry 1472.
Cyclic Quadrilateral, Perpendicular Diagonals, Rectangle, Step-by-step Illustration. |
![Brahmagupta's Theorem](../software/dynamic-geometry-brahmagupta-theorem-cyclic-quadrilateral-ipad-1.jpg) |
Dynamic Geometry: Brahmagupta Theorem,
. GeoGebra, HTML5 Animation for Tablets |
![Geometry Problem 871: Brahmagupta's Theorem, Cyclic Quadrilateral, Perpendicular Diagonals, Midpoint](../school-college/p871-cyclic-quadrilateral-perpendicular-diagonal-midpoint-1.jpg) |
Geometry Problem 871
Brahmagupta's Theorem, Cyclic Quadrilateral, Perpendicular Diagonals, Midpoint. |
![Cyclic Quadrilateral Problem](../problem/p332_cyclic_quadrilateral_1.jpg) |
Problem 332.
Cyclic quadrilateral, Ratio of diagonals, Similarity. |
![Cyclic quadrilateral](../problem/p330_cyclic_quadrilateral_1.jpg) |
Problem 330.
Cyclic quadrilateral, Perpendicular diagonals, Area, Circumcenter. |
![](../ArchBooLem09_170.jpg) |
Archimedes' Book of Lemmas: Proposition 9.
Perpendicular chords, sum of arcs.
ACBD is a cyclic quadrilateral with perpendicular diagonals. |
![](../ArchBooLem11_170.jpg) |
Archimedes' Book of Lemmas: Proposition 11
Perpendicular chords and radius, square.
ACBD is a cyclic quadrilateral with perpendicular diagonals. |