Right Triangles Theorems and Problems Index
4
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![](lunes_hippocrates_04_170.jpg) |
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![Elearning 200: Right Triangle](../problem/p200_right_triangle_17.jpg) |
Problem
200. RightTriangle, Incircle, Excircles, Points of Tangency, Inradius. |
![Elearning 187: Right triangle, incircles, angles](../problem/p187_right_triangle_17.jpg) |
Problem
187. Right Triangle, Altitude, Incenters, Circles,
Angles. |
![Elearning 186: Right triangle, circles](../problem/p186_right_triangle_17.jpg) |
Problem
186. Right Triangle, Altitude, Incenters, Circles. |
![Right triangle, Hypotenuse trisection](../problem/p183_right_triangle_17.jpg) |
Problem
183. Right Triangle, Hypotenuse Trisection Points, Squares of the Distances. |
![Problem 102. Elearning, Online Tutoring](../problem/p102_equilateral_area_17.jpg) |
Problem
102.Equilateral Triangle Area,
Interior Point. |
![Elearning, Online Tutoring 101](../problem/p101_equilateral_pythagoras_17.jpg) |
Problem
101.Equilateral Triangle,
Pythagorean Theorem, Angles.
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![Circle area and Pythagoras](../problem/p099_circle_area_elearning_17.jpg) |
Problem 99: Circle Area, General Extension to Pythagoras' Theorem.
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![](../problem/p076_square_circle_17.jpg) |
Problem
76: Area of a Circle. Square,
Circle, Circular Sector. |
![Elearn 218: Right triangle](../problem/p218_right_triangle_17.jpg) |
Problem
218. Right triangle, Altitude and Projections.
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![Elearn 217: Right triangle, Altitude, Projections](../problem/p217_right_triangle_17.jpg) |
Problem
217. Right triangle, Altitude and Projections.
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![](../problem/p049_right_triangle_170.jpg) |
Problem 49.
Angles and right triangle.
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![](../problem/p041_sangaku_mickey_mouse_1.jpg) |
Sangaku Problem 41.
"Mickey Mouse" shape: Three circles representing head and ears. |
![](../triangle_square/triangle_square_19_170.jpg) |
Triangle and Squares 19
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![](../problem/p038_right_triangle_170.jpg) |
Problem 38.
Right
Triangle, altitude, incircles, incenters, and angles. |
![](../problem/p037_right_triangle_170.jpg) |
Problem 37.
Right
Triangle, altitude, incircles, incenters, and orthocenter.
Problem 36.
Right
Triangle, altitude, incircles and inradii. |
![](../problem/p034_triangle_sat_college_1.jpg) |
Problem 34.
Right
triangle, cevian, incircles, tangents and inradius. |
![](../ArchBooLem04_170.jpg)
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Archimedes' Book
of Lemmas
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