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Geometry Problems 121 - 130
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![Elearning 121: Similarity and Area](../problem/p121_triangle_similarity_17.jpg) |
Problem 121.
Similarity and Area
of triangle, Trisection of Sides.
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![Marion Walter's Theorem](../problem/p122_marion_walter_proof_17.jpg) |
Problem 122. Marion
Walter's Theorem. Area of triangle and Hexagon, Trisection of Sides.
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![Elearning 123: Triangle Similarity, Area](../problem/p123_triangle_similarity_17.jpg) |
Problem 123. Area of
triangle, Similarity, Trisection of Sides.
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![Elearning 124: Triangle Area, Similarity](../problem/p124_triangle_similarity_17.jpg) |
Problem 124. Area of
triangle, Similarity, Trisection of Sides.
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![Elearning 125: Area](../problem/p125_triangle_star_17.jpg) |
Problem 125.
Area of Triangle,
Star, Trisection of Sides.
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![Elearn 126: Incenter Proportions](../problem/p126_incenter_proportion_17.jpg) |
Problem 126. Incenter of
a Triangle, Angle Bisector, Proportions.
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![Elearn 127: Centroid, Incenter](../problem/p127_centroid_incenter_17.jpg) |
Problem 127. Centroid
and Incenter of a Triangle, Parallel, Proportions.
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![Elearn 128: Incenter, Ratios](../problem/p128_incenter_bisector_17.jpg) |
Problem 128. Incenter of
a Triangle, Angle Bisectors, Sum of Ratios.
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![Elearning 129: Concurrent ceviasn, ratios](../problem/p129_cevian_ratio_elearn_17.jpg) |
Problem 129. Triangle,
Concurrent Cevians, Sum of Ratios.
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![Elearning 130: Concurrent Cevians](../problem/p130_cevian_ratio_elearn_17.jpg) |
Problem 130. Triangle,
Concurrent Cevians, Sum of Ratios.
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![Geometry Problems 131-140](geometry_problems_131_140.jpg)
![Geometry Problems 111-120](geometry_problems_111_120.jpg) |
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