Question

How many diagonals are there in the following polygons. a)pentagon. b)hexagon. c)octagon​

Answer 1

Answer:

a)pentagon have only 2 diagonals

b)hexagon have 3 diagonals

d)octagon have 4 diagonals

hexagon and octagon have 6 and 8 edges; the diagonals of this two have half of its edges

Answer 2

diagonals of pentagon –5

diagonals of hexagon–6

diagonals of octagon–8