How many diagonals are there in a quadrilateral? in a pentagon? in a hexagon? in an octagon? explain your answer thoroughly. answer right away if you know the answer !

There is a formula you can use to find the number of diagonals for any polygon. It is n(n-3)/2, where n is the number of sides. So for a quadrilateral it would be 4(4-3)/2=2 diagonals, a pentagon or would be 5(5-3)/2=5, a hexagon 6(6-3)/2=9, and an octagon 8(8-3)/2=20.

A. dividing 99 by 204 will tell you that 99 out of 204 of the people were females at the action movie.