bob012345's latest activity
-
I'd start with marking the vertices, e.g., Then, I'd make a 25x25 matrix with 1s for each pair of vertices connected by straight line... -
The game is to find the number of triangles in this complicated figure by other than brute force counting and explain your method.
-
-
Congrats @fresh_42 @PeroK @martinbn @FactChecker @DaveC426913 @WWGD @Agent Smith @mathwonk @Charles Link @anuttarasammyak @pasmith...
-
bob012345 reacted to anuttarasammyak's post in the thread High School Area of Overlapping Squares with
Like.
The formula for the 2nd and the 3rd case is written as $$\frac{a^2+s^2-as(\sin\theta + \cos\theta)}{2 \sin\theta \cos\theta}$$ which is...
