The sum of interior angles of a polygon of n sides is __

Question

The sum of interior angles of a polygon of n sides is ___ right angles.

Answer:
:
(2n - 4)
By the formula, sum of interior angles of a polygon of n sides

= (n - 2) \times 180^{\circ}

= (2 n - 4) \times 90^{\circ}

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