Question

7. Sum of all interior angles of a polygon with (n) sides is given by
(a) (n – 2 ) x 180 o (b) n – 2 x 180 o (c) (n + 2 )x 180 o (d) n + 2 x 180 o

Answer 1

(a) (n-2) × 180 this is the correct option