Question

find the number of daigonal heptagon,octagon,nonagon,decagone​

Answer 1

Step-by-step explanation:

heptagon:- 14 diagonals

octagon:- 20 diagonals

nonagon:- 27 diagonals

decagon:- 35 diagonals

hope it helps!☺️

Answer 2

Answer:

• heptagon 14
• octagon 20
• nanogon 27
• decagon 35

it can be found using a formula n*n-3/2

n = no of sides

heptagon = 7

diadonal =n*n-3/2

=7*7-3/2

=7*4/2

=7*2

=14