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Online Geometry: Congruence, Rotation, Translation, Reflection - Page 4
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![Congruence, Translation, Rotation, Reflection](congruence_geometry_17.jpg) |
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![Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Congruence, Similarity](../school-college/p842-triangle-centroid-four-circumcenter-perpendicular-similarity-1.jpg) |
Geometry Problem 842
Triangle, Medians, Centroid, Four Circumcenters, Perpendicular, Congruence, Similarity. |
![Triangle, Medians, Centroid, Circumcenters, Perpendicular, Congruence, Similarity](../school-college/p841-triangle-centroid-circumcenter-perpendicular-similarity-1.jpg) |
Geometry Problem 841
Triangle, Medians, Centroid, Circumcenters, Perpendicular, Congruence,
Similarity. |
![Quadrilateral, Isosceles triangle, 70-70-40 degrees, Congruence](../school-college/p832-quadrilateral-triangle-70-70-40-angle-20-congruence-1.jpg) |
Geometry Problem 832
Quadrilateral, Isosceles triangle, 70-70-40 degrees, Congruence,
Auxiliary lines, Equilateral triangle. |
![Quadrilateral, Triangle, Angles, 30 degrees, Congruence](../school-college/p831-quadrilateral-diagonal-midpoint-parallelogram-1.jpg) |
Geometry Problem 831
Quadrilateral, Diagonal, Midpoint, Opposite Angles, Congruence,
Parallelogram. |
![Right Triangle, Altitude, Incircles, CIrcumcircles, COngruence](../school-college/p794-right-triangle-altitude-incircle-2-circumcircles-congruence-1.jpg) |
Geometry Problem 794
Right Triangle, Altitude, Three Incenters, Circumcircles, Incircle,
Congruence. |
![Triangle, Circumcircle, Circumcenter, Orthocenter, Midpoint arc, Parallel chord, Congruence](../problem/p770-parallelogram-triangle-circumcenter-angle-bisector-1.jpg) |
Geometry Problem 770
Parallelogram, Angle Bisector, Triangle, Circumcenter,
Circumcircle, Angle Measurement. |
![Triangle, Circumcircle, Circumcenter, Orthocenter, Midpoint arc, Parallel chord, Congruence](../problem/p769-triangle-circumcenter-orthocenter-midpoint-arc-parallel-congruence-1.jpg) |
Geometry Problem 769
Triangle, Circumcircle, Circumcenter, Orthocenter, Midpoint of
arc, Parallel to chord, Congruence. |
![Parallelogram, Diagonal, Parallel, Congruence](../problem/p763-parallelogram-diagonal-parallel-congruence-1.jpg) |
Geometry Problem 763
Parallelogram, Diagonal, Parallel, Congruence. |
![Parallelogram, Midpoint, Perpendicular, Congruence, Isosceles triangle](../problem/p762-parallelogram-midpoint-perpendicular-congruence-1.jpg) |
Geometry Problem 762
Parallelogram, Midpoint, Perpendicular, Congruence, Isosceles
triangle. |
![Equilateral Triangle,Trisection, Cevian, Perpendicular](../problem/p759-equilateral-triangle-transversal-60-degrees-1.jpg) |
Geometry Problem 759
Equilateral Triangle, Transversal, Trisection of sides,
Congruence, Angle. |
![Equilateral Triangle,Trisection, Cevian, Perpendicular](../problem/p758-equilateral-triangle-trisection-perpendicular-1.jpg) |
Geometry Problem 758
Equilateral Triangle, Cevians, Trisection of sides, Congruence,
Perpendicular, 90 Degrees. |
![Square, Circle, Angle](../problem/p752-square-circle-angle-1.jpg) |
Geometry Problem 752.
Square, Circle, Tangent, Chord, Angle. |
![Circle, Chord, Congruence, 90 Degrees](../problem/p745-circle-chord-congruence-90-degrees-1.jpg) |
Geometry Problem 745.
Circle, 90 Degrees, Chord, Congruence, Perpendicular, Metric
Relations. |
![Orthic triangle, geometry problem](../problem/p735_triangle_orthic_1.jpg) |
Geometry Problem 735.
Triangle, Altitude, Perpendicular, Semiperimeter of the
Orthic Triangle, Congruence. |
![Triangle, Median, Isosceles, Congruence, Parallel](../problem/p734_triangle_median_1.jpg) |
Geometry Problem 734.
Triangle, Isosceles, Median, Parallel, Angle Bisector,
Congruence, Midpoint. |
![Triangle, Orthocenter, Line Reflection, Concurrency](../problem/p733_triangle_reflection_1.jpg) |
Geometry Problem 733.
Triangle, Orthocenter, Altitude, Reflection in a line,
Circumcircle, Concurrency. |
![Orthic triangle, Orthocenter, Congruence](../problem/p732_orthic_triangle_1.jpg) |
Geometry Problem 732.
Triangle, Altitude, Orthic Triangle, Orthocenter,
Congruence, Parallelogram. |
![Triangle, Circle, Concurrency](../problem/p728_triangle_concurrent_1.jpg) |
Geometry Problem 728.
Triangle, Altitude, Perpendicular, Circumcircle, Midpoint,
Intersecting Circles, Concurrency. |
![Triangle, Angles](../problem/p727_triangle_angles_1.jpg) |
Geometry Problem 727.
Triangle, Isosceles, Congruence, Angles, Measurement. |
![Parallelogram, Midpoint, Diagonal, Collinear, Metric Relations, Similarity, Congruence](../problem/p710_parallelogram_metric_1.jpg) |
Geometry Problem 710.
Parallelogram, Midpoint, Diagonal, Collinear Points, Metric
Relations, Triangle, Similarity, Congruence. |
![Triangle, Incircle, Diameter](../problem/p703_triangle_incircle_1.jpg) |
Geometry Problem 703.
Triangle, Incircle, Tangency point, Diameter, Congruence. |
![Square, Circle, Area](../geometry/p697_square_circle_area_1.jpg) |
Geometry Problem 697.
Square, Circle, Sector, Segment, Tangent, Inscribed,
Congruence, Mind Map, Polya. |
![Circle, Square, Area](../geometry/p696_triangle_angle_1.jpg) |
Geometry Problem 696.
Triangle, Angles, Auxiliary Construction, Congruence, Mind
Map, Polya. |
![Circle, Square, Area](../geometry/p695_triangle_angle_1.jpg) |
Geometry Problem 695.
Triangle, Angles, Auxiliary Construction, Congruence, Mind
Map, Polya. |
![Circle, Square, Area](../geometry/p694_triangle_angle_1.jpg) |
Geometry Problem 694.
Triangle, Angles, 30 Degrees, Auxiliary Construction, Mind
Map, Polya. |
![Isosceles triangle 80, 20, 20 degrees](p691_isosceles_80_degree_1.jpg) |
Geometry Problem 691.
Isosceles Triangle, 80-80-20 Degrees, Angles, Congruence,
Mind Map, Polya. |
![Triangle, Excircles, Tangent](../geometry/p686_excircles_tangent_1.jpg) |
Geometry Problem 686.
Triangle, Three Excircles, Tangency points, Tangent lines,
Semi-perimeter, Congruence. |
![Isosceles triangl 100-40-40 degrees](p685_isosceles_100_degree_1.jpg) |
Geometry Problem 685
Isosceles Triangle, 100-40-40 Degrees, Angles, Congruence. |
![Geometry problem: Triangle, Angles, Congruence](../problem/p671_triangle_angles_1.jpg) |
Geometry Problem 671.
Triangle, Cevian, Angles, Congruence. |
![Triangle, Incircle, Parallel](../problem/p657_triangle_incircle_1.jpg) |
Geometry Problem 657.
Triangle, Incircle, Tangency Points, Parallel Lines, Congruence. |
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