Simple Quadrilateral
Probability
Level
2
ABCD is a convex quadrilateral.3,4,5 and 6 points are marked on the sides AB,BC,CD and DA respectively.The number of triangles with vertices on different sides is
342
222
432
243
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
3C1 4c1 5c1 + 4c1 5c1 6c1 + 5c1 6c1 3c1 + 6c1 3c1 4c1 = 342