If 28 lines are drawn,how many vertices does the polygon have?

1.6k Views Asked by At

The vertices of a polygon are connected to each other by drawing some lines. If 28 lines are drawn,how many vertices does the polygon have?

1

There are 1 best solutions below

1
On

Hint: Number of pairs of two out of n number of vertices:- $$^nC_2=28 \implies n^2-n-56=0$$