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Geometry Problems 771-780: Triangle,
Circle, Isogonal Lines, Parallelogram, Scalene, Inradius,
Circumradius, Distance, Orthocenter, Circumcenter,
Pentagon, Congruence, Similarity, Area
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Geometry Problem 771
Area of a Parallelogram, Star, Pentagon, Triangles. |
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Geometry Problem 772
Similar triangles with a Common Vertex, Equal Angles, Midpoints, Metric relations. |
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Geometry Problem 773
Intersecting Circles, Midpoint, Secant line, Bisection. |
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Geometry Problem 774
Triangle, Two Altitudes, Circumcircle, Tangent at a Vertex, Parallel. |
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Geometry Problem 775
Triangle, Isogonal lines, Congruent angles, Perpendicular, Metric Relations. |
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Geometry Problem 776
Triangle, Isogonal lines, Congruent angles, Perpendicular, Concyclic points, Circle, Center, Midpoint. |
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Geometry Problem 777
Triangle, Distance from the Orthocenter to a Vertex, Circle, Circumradius, Cosine. |
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Geometry Problem 778
Triangle, Distance from the Orthocenter to a Vertex, Circle, Circumradius, Side, Square. |
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Geometry Problem 779
Triangle, Altitude, Orthocenter, Midpoint, Angle, 90 Degrees. |
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Geometry Problem 780
Acute Triangle, Sum of Inradius and Circumradius, Distances from the
Orthocenter to the Vertices. |
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