61.
Triangle with Squares 2: Two squares |
62.
Triangle with Squares 3: Three squares |
63.
Triangle
with Squares 4 Finsler-Hadwiger Theorem.
![](../triangle_square/triangle_squares_04x170.jpg)
64.
Triangle
with Squares 5 Median and Altitude
![](../triangle_square/triangle_squares_05x170.jpg)
65.
Triangle
with Squares 6 Four squares
![](../triangle4squares170x100.jpg)
66.
Triangle Centers
![](../triangle_center_170.jpg)
67.
Van Aubel's Theorem. Quadrilateral with Squares
Proof |
69.
Varignon and
Wittenbauer parallelograms
![](../Varignon_Wittenbauer_170.jpg)
70. Adjacent Angles and Five Bisectors |
|