61.
Triangle with Squares 2: Two squares |
62.
Triangle with Squares 3: Three squares |
63.
Triangle
with Squares 4 Finsler-Hadwiger Theorem.
64.
Triangle
with Squares 5 Median and Altitude
65.
Triangle
with Squares 6 Four squares
66.
Triangle Centers
67.
Van Aubel's Theorem. Quadrilateral with Squares
Proof |
69.
Varignon and
Wittenbauer parallelograms
70. Adjacent Angles and Five Bisectors |
|