All 20 diagonals are drawn in a regular octagon. At how many distinct points in the interior of the octagon (not on the boundary) do two or more diagonals intersect?
Answer Choices
A. 49
B. 65
C. 70
D. 96
E. 128
All 20 diagonals are drawn in a regular octagon. At how many distinct points in the interior of the octagon (not on the boundary) do two or more diagonals intersect?
Answer Choices
A. 49
B. 65
C. 70
D. 96
E. 128