how to find diagonals of quadrilateral , pentagon , hexagon and octagon Share with your friends Share 1 Shruti Tyagi answered this Dear Student, the diagonal of any polygon is the line joining any two points such that the points are not adjacent.so to find the number of diagonals we need to draw these shapes and draw diagonalsYou can also use the formulanumber of diagonals=n×n-32 where n is number of sidesquadrilateral- 4 sides, 2 diagonalspentagon- 5 sides, 5 diagonalshexagon - 6 sides, 9 diagonalsoctagon- 8 sides, 20 diagonals Regards, 0 View Full Answer Amrita answered this firstly you have u draw line segments in the shape dot to dot then u can find its diagonals 1 Daksha Sah answered this by joining the corners in such a way that it does not joins on the line of that shape 0
