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Geometry Problems 1231 - 1240
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![Geometry problems 1231-1240](geometry_problems_1231_1240_1.jpg) |
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![Geometry problem 1231](../../school-college/3/p1231-triangle-orthocenter-circumcenter-incenter-bisector-1.jpg) |
Geometry Problem 1231
Triangle, Orthocenter, Incenter, Circumcenter, Angle Bisector, Center, Circle. |
![Geometry problem 1232](../../school-college/3/p1232-orthic-axis-triangle-altitude-collinear-1.jpg) |
Geometry Problem 1232
Triangle, Altitudes, Orthic Triangle, Collinearity, Orthic Axis. |
![Geometry problem 1233](../../school-college/3/p1233-orthic-axis-triangle-euler-line-perpendicular-1.jpg) |
Geometry Problem 1233
Triangle, Euler Line, Orthic Axis, Perpendicular, 90 Degrees, Orthic Triangle. |
![Geometry problem 1234](../../school-college/3/p1234-quadrilateral-60-degrees-cyclic-concyclic-midpoint-1.jpg) |
Geometry Problem 1234
Quadrilateral, 60 Degrees, Midpoint, Congruence, Cyclic Quadrilateral, Concyclic Points. |
![Geometry problem 1235](../../school-college/3/p1235-triangle-cevian-concurrent-circle-1.jpg) |
Geometry Problem 1235
Triangle, Cevians, Concurrency, Circle, Circumcircle. |
![Geometry problem 1236](../../school-college/3/p1236-intersecting-circles-secant-concyclic-points-1.jpg) |
Geometry Problem 1236
Intersecting Circles, Secant, Concyclic Points. |
![Geometry problem 1237](../../school-college/3/p1237-imo-2016-problem-1-triangle-parallel-concurrent-1.jpg) |
Geometry Problem 1237
IMO 2016, Problem 1, Triangle, Congruence, Parallel Lines, Midpoint, Concurrency. |
![Geometry problem 1238](../../school-college/3/p1238-square-equilateral-triangle-metric-relation-mobile-apps-1.jpg) |
Geometry Problem 1238
Square, Equilateral Triangle, Metric Relations. Mobile Apps. |
![Geometry problem 1239](../../school-college/3/p1239-intersecting-circle-secante-concyclic-mobile-apps-1.jpg) |
Geometry Problem 1239
Intersecting Circles, Secant, Concyclic Points, Congruence. Mobile Apps |
![Geometry problem 1240](../../school-college/3/p1240-triangle-circle-diameter-perpendicular-1.jpg) |
Geometry Problem 1240
Triangle, Circle, Diameter, Circumcircle, Circumcenter, Perpendicular. Mobile Apps. |
![Geometry problems 1241-1250](geometry_problems_1241_1250_1.jpg)
![Geometry problems 1221-1230](geometry_problems_1221_1230_1.jpg) |
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| by Antonio Gutierrez
Last updated:
Feb 1, 2017
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