Sister's math problem X-post

[Worrots]

[ QUOTE ]
While brute force counting will solve the problem, there are quicker ways to solve it mathematically. What if there had been 100 columns instead of 7?

[/ QUOTE ]

c = # columns
r = # rows

# triangles = (sum of x where x={1,2,...,c})*r

This would be easier to show in summation notation.

[ThaSaltCracka]

9.

[durron597]

[ QUOTE ]
Good job guys! Now try this one:



[/ QUOTE ]

Looks like 8292 to me. That's ballpark.

[ThaSaltCracka]

well, I was way off.

[NutzyClutz]

Zero triangles. Trick question.
If you notice all non-horizontals are made up of jagged line segments.

[ihardlyknowher]

[ QUOTE ]
Zero triangles. Trick question.
If you notice I am an idiot.

[/ QUOTE ]

FYP.

[CallMeIshmael]

[ QUOTE ]
Zero triangles. Trick question.
If you notice all non-horizontals are made up of jagged line segments.

[/ QUOTE ]

You must be the life of the party.

[mmbt0ne]

Am I the only person who read this as "Sister's meth problem?"

[jakethebake]

[ QUOTE ]
Am I the only person who read this as "Sister's meth problem?"

[/ QUOTE ]

Meth + Retards = [img]/images/graemlins/tongue.gif[/img]

[The Truth]

Not only is jason_t correct, but im shocked and appaled that there is debate over this.