Question 547817
All regular hexagons have the same
shape and can be scaled up or down
to be the exact same size as any other
regular hexagon, so the perimeter
doesn't matter.
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Pick any vertex and draw lines to the
other vertexes. You will have 4 triangle
{{{ 4*180 = 720 }}} is the sum of all
the 6 exterior angles
{{{ 720 / 6 = 120 }}}
Each angle measures 120 degrees