Question

find the sum of interior angles of a regular polygon with following number of sides

I) 5 sides ​

Answer 1

$\rm\underline\bold{Answer \purple{\huge{\checkmark}}}$

$\sf \: Sides = 5$

$\sf \: Sum \: of \: interior \: angle \: of \: polygon =(2n−4)90$

$\sf \longrightarrow \: (10−4)90$

$\sf \longrightarrow \: 6×90$

$\sf \longrightarrow \: 540$

Hence, the answer is 540.