Sainik School Entrance Exam 2020 Solved Paper

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Question : 40 of 150

Marks: +1, -0

What is the minimum interior angle possible for a regular polygon?

$60°$
$75°$
$90°$
None

Solution:

(a) Interior angle of a regular polygon

={2(n-2) ×90°}{\n}

where

n ≥3

. For

\min

. value

n=3

∴ Interior angle

={2(3-2)}/{3}× 90°=60°.

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