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![Online Geometry](../problem/h_geometry_problem_910.jpg)
Geometry Problems 221-230: Isosceles,
Equilateral triangle, Trapezoid, Regular Polygon, Viviani's theorem, Altitude, Distances, Apothem, Centroid, Midpoint, Perpendicular, Transversal.
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![Geometry problems 221-230](geometry_problems_221_230_1.jpg) |
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![Viviani's theorem I](../problem/p221_viviani_theorem_17.jpg) |
Proposed Problem 221. Viviani's theorem, Equilateral triangle,
Interior point, Altitude, Distances. |
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![Viviani theorem, Equilateral triangle, exterior point](../problem/p222_viviani_theorem_17.jpg) |
Proposed Problem 222. Viviani's theorem, Equilateral triangle,
Exterior point, Altitude, Distances. |
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![Viviani theorem, Isosceles triangle](../problem/p223_viviani_theorem_17.jpg) |
Proposed Problem 223. Viviani's theorem, Isosceles triangle,
Altitude, Distances. |
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![Viviani theorem, isosceles triangle, extension on the base](../problem/p224_viviani_theorem_17.jpg) |
Proposed Problem 224. Viviani's theorem, Isosceles triangle,
Altitude, Distances, Point on the extension of the base. |
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![Viviani theorem extension, regular polygon](../problem/p225_viviani_theorem_17.jpg) |
Proposed Problem 225. Viviani's Theorem Extension, Regular Polygon,
Apothem, Distance. |
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![Problem 226: Triangle, Centroid](../problem/p226_triangle_centroid_17.jpg) |
Proposed Problem 226. Triangle, Centroid, Perpendicular lines. |
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![Elearn 227: Triangle, Centroid](../problem/p227_triangle_centroid_17.jpg) |
Proposed Problem 227. Triangle, Centroid, Exterior line,
Perpendicular lines. |
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![Elearn 228: Triangle, Midpoint](../problem/p228_triangle_midpoint_17.jpg) |
Proposed Problem 228. Triangle, Midpoints, Exterior line,
Perpendiculars lines.
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![Elearn 229: Triangle, Centroid, Transversal](../problem/p229_triangle_centroid_17.jpg) |
Proposed Problem 229. Triangle, Centroid, Transversal, Perpendicular
lines. |
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![Elearn 230: Triangle, Midpoint, Transversal](../problem/p230_triangle_midpoint_17.jpg) |
Proposed Problem 230. Triangle, Midpoints, Transversal,
Perpendicular lines.
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![Geometry problems 221-230](geometry_problems_221_230p.jpg) |
Puzzle Geometry Problems 221 - 230.
22 Piece Polygons. |
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![Geometry problems 231-240](geometry_problems_231_240_1.jpg)
![Geometry problems 201-210](geometry_problems_201_210_1.jpg) |
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