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Q.

The sum of the interior angles of a pentagon is ____.


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Detailed Solution

A regular pentagon is shown as follows:
Question Image The sum of all interior angles of a pentagon: A = ( n -2 ) × 180° Here n=5,
Applying in formula as,
A = ( n -2 ) × 180° A = ( 5 -2 ) × 180°
A = (3 ) × 180° A = 540°
Hence, The sum of all interior angles of a pentagon is 540°.
 
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The sum of the interior angles of a pentagon is ____.