Question

find the sum of angles of a polygon having 8 sides .

Answer 1

S = ( n - 2 ) × 180
S = ( 8 - 2) × 180
S = 6× 180
S = 1080

Answer 2

Sum of the angles of a polynomial(W) = ( n - 2 ) × 180
W=(8-2)×180                               (n=no. of sides of given polynomial)
W= 6× 180
W= 1080