Question
What is the minimum interior angle possible for a regular polygon$?$ Why$?$
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Answer
The equilateral triangle being a regular polygon of $3$ sides has the least measure of an interior angle $= 60^\circ .$
$[ $Sum of all angles of a triangle/ No. of sides $= 180^\circ / 3 = 60^\circ]$
$[ $Sum of all angles of a triangle/ No. of sides $= 180^\circ / 3 = 60^\circ]$
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