Question

Find the number of diagonals of a) a hexagon b) a poligon of 16 sides

Answer 1

hexagon has 18 diagonal and polygon of 16 sides have 104 diagonals

Answer 2

no. of diagoal of a polygon=n*(n-3)/2

where n=no. of side of popygon

no of diagonal =16*(16-3)/2

=8*13

=104