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![Geometry Problems, Online Education](../problem/h_geometry_problem_910.jpg)
Geometry Problems 811-820: Triangle, Circle, Quadrilateral, Square, Pitot
Theorem, Arbelos, Tangent, 30 Degrees.
Level: High School, College
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![Geometry problems 811-820](geometry_problems_811_820_1.jpg) |
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![Trisecting a line segment, 4 circles](../school-college/p811-trisecting-segment-4-circles-one-line-1.jpg) |
Geometry Problem
811: Trisecting a line segment.
With four circles and one line. |
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Geometry Problem
812.
Four Tangent Circles, Common Tangent Line, Diameter, Area, Collinear Centers. |
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Typography of Geometry Problem
812. |
![Right triangle, Excircles, Area](../school-college/p813-right-triangle-area-excircles-quadrilateral-1.jpg) |
Geometry Problem
813.
Right Triangle Area, Excircles, Cathetus, Tangency Points, Quadrilateral Area. |
![Equilateral triangles, a common vertex](../school-college/p814-two-equilateral-triangle-vertex-angle-1.jpg) |
Geometry Problem
814.
Two Equilateral Triangles with a common Vertex, Angle. |
![Triangle, Incircle, Arbelos, Area](../school-college/p815-triangle-incircle-semicircle-tangent-arbelos-area-1.jpg) |
Geometry Problem
815.
Triangle, Incircle, Semicircles, Arbelos, Area. |
![Tangential Quadrilateral: Pitot Theorem](../school-college/p816-pitot-theorem-circumscribed-quadrilateral-1.jpg) |
Geometry Problem 816. Tangential or Circumscribed Quadrilateral: Pitot Theorem. |
![Two Circles, Tangent Lines](../school-college/p817-two-circumscribed-quadrilateral-circle-common-tangent-1.jpg) |
Geometry Problem 817. Two
circles, Tangent Lines, Circumscribed Quadrilaterals. |
![Square, Triangle, Angle](../school-college/p818-square-triangle-angles-1.jpg) |
Geometry Problem 818.
Square, Triangle, Angle. |
![Quadrilateral, Triangle, Angles](../school-college/p819-quadrilateral-triangle-angle-30-degrees-1.jpg) |
Geometry Problem 819.
Quadrilateral, Triangle, Angles, 30 degrees. |
![Triangle, Angles, 30 Degrees](../school-college/p820-triangle-cevian-30-degrees-angle-1.jpg) |
Geometry Problem 820.
Triangle, Cevian, Angles, 30 Degrees. |
![Geometry problems 821-830](geometry_problems_821_830_1.jpg)
![Online education degree: geometry problems 801-810](geometry_problems_801_810_1.jpg) |
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