Brilliant PUZZLE: Make 7 equilateral triangles with 9 matchsticks Elegant solution
video description
Date: 2023-11-15
Related videos
Comments and reviews: 11
Terry
I think I've got it! 3 more match sticks above the plane and 3 below. The solid above the plane has 3 additional sides/triangles. And the same below. Or, 2 solids (what are they called, some type of 4 sided pyramid) with a shared surface. I hope that I'm right!
reply
I think I've got it! 3 more match sticks above the plane and 3 below. The solid above the plane has 3 additional sides/triangles. And the same below. Or, 2 solids (what are they called, some type of 4 sided pyramid) with a shared surface. I hope that I'm right!
reply
luka
Its took me 15 minutes its very good puzzle. You ask me for chess on classical is my raiting 2000. I know a lot of puzzles but its on serbian lg. Ammar what is your job? Did you do Mensa iq test ever?
reply
Its took me 15 minutes its very good puzzle. You ask me for chess on classical is my raiting 2000. I know a lot of puzzles but its on serbian lg. Ammar what is your job? Did you do Mensa iq test ever?
reply
upasana
Is it following a pattern? 6 matchstick - 4 equilateral triangle.
Then 6+ 3= 9 matchstick
4+3 = equilateral triangle
And if so then 9+3 = 12 matchstick
7+3 = 10equilateral triangle?
reply
Is it following a pattern? 6 matchstick - 4 equilateral triangle.
Then 6+ 3= 9 matchstick
4+3 = equilateral triangle
And if so then 9+3 = 12 matchstick
7+3 = 10equilateral triangle?
reply
Phung
My wife answer: 7 x triangle shape (-7- made by 4 match-sticks, -x- made by 2 match-sticks, and finally, triangle shape which have 01 match stick length edge made by 3 match sticks. Ha ha ha
reply
My wife answer: 7 x triangle shape (-7- made by 4 match-sticks, -x- made by 2 match-sticks, and finally, triangle shape which have 01 match stick length edge made by 3 match sticks. Ha ha ha
reply
Chhaya
Can't we make a star of 6 match sticks and then make 1 out of the other 3
Coz the Q no where says that all equilateral triangle should be equal
So can't we do this?
reply
Can't we make a star of 6 match sticks and then make 1 out of the other 3
Coz the Q no where says that all equilateral triangle should be equal
So can't we do this?
reply
vinod
That shape is called trigonal bipyramid. It comes out a lot in inorganic chemistry when studying structures of hybridised compounds(more accurately sp3d hybridization.
reply
That shape is called trigonal bipyramid. It comes out a lot in inorganic chemistry when studying structures of hybridised compounds(more accurately sp3d hybridization.
reply
Fardeen
I solved it. Awesome and difficult question but I solved. I see your videos and I have to think logically.
Thank you for question.
reply
I solved it. Awesome and difficult question but I solved. I see your videos and I have to think logically.
Thank you for question.
reply
Julian
Without watching the solution, I know I could do it in three dimensions, but I'd need a bit of glue. Would that be cheating?
reply
Without watching the solution, I know I could do it in three dimensions, but I'd need a bit of glue. Would that be cheating?
reply
Dicomaniaque
David-s star is 8 triangles with 6 matches. You can use the three remaining matches to make another triangle. -
reply
David-s star is 8 triangles with 6 matches. You can use the three remaining matches to make another triangle. -
reply
Jake
if I had 9 buddies with pliers maybe that's a solution.
or super glue. or if I had 9 arms! (I'd be a nonapus)
reply
if I had 9 buddies with pliers maybe that's a solution.
or super glue. or if I had 9 arms! (I'd be a nonapus)
reply
Belu
Such a mistake by you sir. Look properly at 0: 42 it makes 5 triangles not 4. Look at the biggest triangle also.
reply
Such a mistake by you sir. Look properly at 0: 42 it makes 5 triangles not 4. Look at the biggest triangle also.
reply
Add a review, comment
Other channel videos
