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![Geometry Problems, Online Education](../problem/h_geometry_problem_910.jpg)
Geometry Problems 851-860: Triangle, Circle, Square, Area, Parallel, Metric Relations, 30 Degrees, Congruence, Parallelogram.
Level: High School, College
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![Geometry problems 851-860](geometry_problems_851_860_1.jpg) |
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![Problem 851: Triangle, Triple side, Angles, 90 Degrees. Special Right triangle](../school-college/p851-triangle-triple-side-angle-90-degrees-1.jpg) |
Geometry Problem 851
Triangle, Triple side, Angles, 90 Degrees, Special Right triangle, Sides ratio 1:3. |
![Problem 852: Triangle, Incircle, Inradius, Tangent, Metric Relations](../school-college/p852-triangle-incircle-inradius-tangent-metric-relations-1.jpg) |
Geometry Problem 852
Triangle, Incircle, Inradius, Tangent, Metric Relations. |
![Problem 853: Square, Arc, Quadrant, Triangle, Perpendicular, Metric Relations](../school-college/p853-square-arc-perpendicular-circle-midpoint-metric-relations-1.jpg) |
Geometry Problem 853
Square, Arc, Quadrant, Triangle, Perpendicular, Metric Relations. |
![Problem 854: Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines](../school-college/p854-triangle-parallelogram-parallel-area-similarity-1.jpg) |
Geometry Problem 854
Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines. |
![Problem 855: Quadrilateral, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines](../school-college/p855-triangle-angle-30-degrees-auxiliary-lines-1.jpg) |
Geometry Problem 855
Quadrilateral, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. |
![Problem 856: Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines](../school-college/p856-quadrilateral-triangle-angle-30-degrees-diagonal-1.jpg) |
Geometry Problem 856
Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. |
![Triangle, Median, Midpoint, Angles, 30, 45 Degrees, Congruence, Auxiliary Lines](../school-college/p857-triangle-median-midpoint-angle-30-degrees-1.jpg) |
Geometry Problem 857
Triangle, Median, Midpoint, Angles, 30, 45 Degrees, Congruence, Auxiliary Lines. |
![Isosceles Right Triangle, Cevian, Ratio 2:1, 45 Degrees, Congruence, Angles, Auxiliary Lines](../school-college/p858-isosceles-right-triangle-angle-1.jpg) |
Geometry Problem 858
Isosceles Right Triangle, Cevian, Ratio 2:1, 45 Degrees, Congruence, Angles, Auxiliary Lines. |
![Isosceles Right Triangle, Angles,18, 45 Degrees, Congruence, Perpendicular bisector](../school-college/p859-triangle-angle-45-18-degrees-congruence-1.jpg) |
Geometry Problem 859
Isosceles Right Triangle, Angles,18, 45 Degrees, Congruence, Perpendicular bisector. |
![Triangle, Three Medians, Parallel, Parallelogram, Area, Congruence](../school-college/p860-triangle-three-medians-area-1.jpg) |
Geometry Problem 860
Triangle, Three Medians, Parallel, Parallelogram, Area, Congruence. |
![Geometry problems 841-850](geometry_problems_841_850_1.jpg)
![Geometry problems 861-870](geometry_problems_861_870_1.jpg) |
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