Difference between revisions of "2013 AMC 10A Problems/Problem 25"
Golden ratio (talk | contribs) m |
Aopsqwerty (talk | contribs) (→Problem) |
||
| Line 8: | Line 8: | ||
(D) 96 | (D) 96 | ||
(E) 128 | (E) 128 | ||
| + | |||
| + | |||
| + | 70-5-16=49, so THE ANSWER IS A | ||
Revision as of 23:29, 6 February 2013
Problem
25. 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? (A) 49 (B) 65 (C) 70 (D) 96 (E) 128
70-5-16=49, so THE ANSWER IS A
