is called frameable if it is possible to draw a regular polygon with 
sides all whose vertices lie on these lines, and no line contains more than one vertex of the polygon.
are frameable.
is not frameable.
is frameable.
,
with integer coefficients such that 
divides 
for every positive integer 
with the smaller base 
are constructed the squares 
and 
.
.
such that
for all real numbers 
satisfying the equation
Y by
There are 
points on the plane, none of which lie on the same line. What is the minimum number of lines that must be drawn to ensure that all points are separated from each other? (Two points are separated if there is at least one line with respect to which they lie on opposite sides.)
points on the plane, none of which lie on the same line. What is the minimum number of lines that must be drawn to ensure that all points are separated from each other? (Two points are separated if there is at least one line with respect to which they lie on opposite sides.)This post has been edited 1 time. Last edited by parmenides51, May 22, 2022, 1:34 PM
