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Tough Puzzle, More Geometry
Monday, June 18, 2007
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A Tough Puzzle
Last week some of the people at Tile Puzzler started playing around with some more complex "Free Style" puzzles. Puzzles involving shapes with six square units, seven square units, etc. Some of these have been really interesting. karill created a puzzle titled NineNineNine, which consisted of a square (nine by nine, of course) which was created with nine pieces, and each of those pieces had an area of nine square units.
That puzzle stayed in the unsolved list for ALMOST an entire week (which is practically unheard of!)
Give it a try, if you want a bit of a challenge!
NineNineNine
Some More Entrapment Geometry
Entrapment continues to be a popular game at The Problem Site.
I've added in a feature to track how much time you took, and the average time for each puzzle. This way you can compare how you did with how everyone else did.
I wanted to show you another Entrapment puzzle. Take a look at this screen shot:
This might look a bit intimidating, but remember, we start by looking for triangles. In this case, we can find three similar triangles. Did you find them?
The next thing you might notice is that one of the triangles is in reverse orientation. You see that? Guess what! This is the triangle that you should start with. Can you entrap that triangle?
ANd with only two dots left, can you entrap the rest of the computer's dots? You bet you can!
What was the point of that little exercise? Not much - just to point out, again, that the Entrapment puzzles are most easily solved by focusing on triangles!
By the way, when I solve the Challenge puzzles, generally it takes me somewhere between twenty seconds and a minute, although once in awhile I get one that takes me five or six minutes to solve! What about you? How long does it take you to solve an Entrapment puzzle?Labels: entrapment, tile-puzzler
posted by Douglas Twitchell at
2 Comments:
It either takes me a minute, or a long time. Long enough that I go away for a few minutes and then when I come back I get it right away.
If you post this type of puzzle again, include a link to that puzzle so we can try to solve it before you tell us the process. :)
Re: posting a link to the puzzle - I thought of that...AFTER I had already closed the puzzle page.
And of course, I hadn't made note of the puzzle ID, so now it's lost!
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