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![Online Geometry](../problem/h_geometry_problem_910.jpg)
Geometry Problems 481-490: Triangle, Altitude, Cevian, Perpendicular, Angle, Circumcircle, Incenter, Excenter, Midpoint, Cyclic, Square, 90 Degrees, Proportion, Measurement, Side, Circle
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![Geometry problems 481-490](geometry_problems_481_490_1.jpg) |
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![Triangle, Altitude, Perpendicular, Angle](../problem/p481_triangle_angle_1.jpg) |
Problem 481.
Triangle, Altitude, Cevian, Perpendicular, Angle. |
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![Triangle, Circumcircle, Incircle, Excircle](../problem/p482_triangle_circle_1.jpg) |
Problem 482.
Triangle, Circumcircle, Incenter, Excenter, Midpoint, Cyclic Points. |
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![Triangle, Square, 90 degrees](../problem/p483_square_triangle_1.jpg) |
Problem 483.
Square, Angle, 90 degrees, Measurement. |
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![Square, Angle, 90 degrees, Proportion](../problem/p484_square_triangle_1.jpg) |
Problem 484.
Square, Angle, 90 degrees, Triangle, Measurement, Proportion. |
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![Square, Circles, Tangent](../problem/p485_square_circles_1.jpg) |
Problem 485.
Square, Side, Circles, Tangent, Radius, Measurement. |
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![Tangent circles, Midpoint, Arc, Collinear](../problem/p486_tangent_circles_1.jpg) |
Problem 486.
Tangent circles, Chord, Arc, Midpoint, Collinearity, Congruence. |
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![Circle, Area, 90 Degrees](../problem/p487_circle_area_1.jpg) |
Problem 487.
Intersecting Circles, Area, Diameter, Parallel, 90 Degrees. |
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![Triangle, Cevian, Circle, Concurrency](../problem/p488_triangle_circle_1.jpg) |
Problem 488.
Triangle, Cevian, Concurrency, Circle, Circumcircle. |
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![Elearn 489: Parallelogram, Areas](../problem/p489_parallelogram_area_1.jpg) |
Problem 489.
Parallelogram, Triangle, Quadrilateral, Area. |
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![Elearn 490: Circular Sector Area](../problem/p490_circular_sector_area_1.jpg) |
Problem 490.
Tangent Circles, Arc, Radius, Circular Sector, Area. |
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![Geometry problems 491-500](geometry_problems_491_500_1.jpg)
![Geometry problems 471-480](geometry_problems_471_480_1.jpg)
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| By Antonio Gutierrez
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