Sep 3, 2019
+41 
+700 Sep 2, 2019
+501 
+234 
+234 off-topic
+234 off-topic
Given a hexagon $ABCDEF$ inscribed in a circle with $AB = BC, CD = DE, EF = FA$, show that $\overline{AD}, \overline{BE}$, and $\overline{CF}$ are concurrent. [asy] unitsize(2 cm); pair A, B, C, D, E, F, G; A = dir(85); B = dir(45); C = dir(5); D = dir(-55);read more ..
