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![Geometry Problems, Online Education](../problem/h_geometry_problem_910.jpg)
Geometry Problems 801-810: Triangle, Equilateral, Right, Scalene, Butterfly, Parallelogram, Circle.
Level: High School, College
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![Geometry problems 801-810](geometry_problems_801_810_1.jpg) |
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![Equilateral Triangles, Midpoint](../school-college/p801-equilateral-triangle-metric-relation-1.jpg) |
Geometry Problem
801
Equilateral Triangles, Cevian, Midpoint, Distance, Measurement, Metric Relations. |
![Scalene Triangle, Median, Perpendicular, Angle, Measurement](../school-college/p802-triangle-median-perpendicular-angle-1.jpg) |
Geometry Problem
802
Scalene Triangle, Median, Perpendicular, Angle, Measurement. |
![Right Triangle, Altitude, Angle Bisector, Perpendicular, Measurement](../school-college/p803-right-triangle-altitude-angle-bisector-1.jpg) |
Geometry Problem
803
Right Triangle, Altitude, Angle Bisector, Perpendicular, Measurement. |
![Butterfly theorem](../school-college/p804-butterfly-theorem-proof-1.jpg) |
Geometry Problem 804
Butterfly theorem.
Circle, Chord, Midpoints. |
![Stewart Theorem](../pythagoras/stewart_theorem_170.jpg) |
Geometry Problem 805, Stewart Theorem
Triangle, sides and a cevian. |
![Triangle, Circumcenter, Similarity](../school-college/p806-triangle-circumcenter-similarity-1.jpg) |
Geometry Problem 806
Triangle, Points on sides, Circumcenter, Similarity. |
![Right Triangle Area, Incircle, Semicircle](../school-college/p807-right-triangle-area-semicircle-incircle-1.jpg) |
Geometry Problem 807
Right Triangle Area, Incircle, Tangency Points, Semicircle Area. |
![Parallelogram, Perpendicular, Semicircle, Area](../school-college/p808-parallelogram-perpendicular-right-triangle-semicircle-area-1.jpg) |
Geometry Problem 808
Parallelogram, Perpendicular, Right Triangle, Semicircle Area, Diameter. |
![Trisecting a segment with three circles](../school-college/p809-trisecting-segment-3-circles-4-lines-1.jpg) |
Geometry Problem
809: Trisecting a line segment.
With three circles and four lines. |
![Trisecting a line segment, 2 circles](../school-college/p810-trisecting-segment-2-circles-8-lines-1.jpg) |
Geometry Problem
810: Trisecting a line segment.
With two circles and eight lines. |
![Geometry problems 811-820](geometry_problems_811_820_1.jpg)
![Geometry problems 791-800](geometry_problems_791_800_1.jpg) |
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